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    Ecosummit Advisors


    Ecosummit Advisors are accomplished, highly respected nodes of our smart green business network. They share ideas, know-how and contacts to make Ecosummit better and faster. At the same time, Ecosummit Advisors get special access to our executive community to foster pan-European cooperation. Together we work on the future of smart green innovation. Our first invitation-only Ecosummit Advisor workshop took place on 21-23 March 2014 at Sonnenbatterie in Wildpoldsried.


    20 of the 23 Ecosummit Advisors are on Ecosummit TV:


    Gina Domanig (Emerald Technology Ventures), Alois Flatz (Zouk Capital), Bart Markus (Wellington Partners), Henrik Olsen (Environmental Technologies Fund), Rene Savelsberg (Chrysalix SET), Fabienne Herlaut (Ecomobilité Ventures), Tarja Teppo (Cleantech Invest), Peter van Gelderen (Icos Capital), Alexander Schlaepfer (Aster Capital), Susana Quintana-Plaza (E.ON), Robert Gallenberger (Gimv), Rolf Adam (Cisco), Steven Fawkes (Day One), Joerg Fabri (Allocate), Conrad Ess (Green Technology Staffing), Alexander Bigge Lidgren (Swedish Energy Agency), Mads Jensen (Sefaira), Tom Schulz (Entelios), Knut Hechtfischer (Ubitricity) and Christoph Ostermann (Sonnenbatterie).


    • Gina Domanig (VC)
    • http://ecosummit.net/uploads/ginadomanig.jpg
    • Managing Partner
    • Emerald Technology Ventures
    • http://www.emerald-ventures.com
    • Based in our Zurich office, Gina Domanig is the Managing Partner of Emerald Technology Ventures. In 2000 she founded Emerald as the first independent cleantech venture capital fund in Europe. Gina currently serves on the boards of Pelamis, SDC Materials, Synapsense and TaKaDu. Previously, she also represented Emerald as a director at Agraquest (acquired by Bayer in 2012) and Inge Watertechnologies (acquired by BASF in 2011). Gina has over 25 years of international business experience including banking, M&A, strategic development and venture capital. Prior to starting Emerald, she was senior vice president at Sulzer, a Swiss multinational, responsible for strategic planning and M&A. Gina holds MBA degrees from Thunderbird in Arizona and ESADE in Barcelona and is fluent in English, German and Spanish.


    ECO14 Berlin Gina Domanig Jan Michael Hess


    • Dr. Alois Flatz (VC)
    • http://ecosummit.net/uploads/aloisflatz.jpg
    • Partner
    • Zouk Capital
    • http://www.zouk.com
    • Alois Flatz has over 20 years of experience in investment management focused on sustainability themes. He is a Partner at Zouk Capital, a leading private equity investor with more than €400 million under management. Zouk operates a dual-track strategy focused on cleantech growth capital and renewable energy infrastructure. Alois coordinated the fundraising of Cleantech Europe II, which at €230 million is the largest cleantech growth capital fund in Europe. He manages the full growth capital investment cycle: originating, developing and exiting successful companies such as SiC Processing, which returned to one of the best cleantech exits after the financial crisis. Before joining Zouk, Alois was a Partner and Head of Research at SAM Sustainable Asset Management in Zurich, where he co-founded the Dow Jones Sustainability Index. Alois was also Managing Partner of BTS Investment Advisors, a private equity advisor in India with over $3 billion AUM, and an advisor to the Austrian Ministry of the Environment. Alois has a PhD in Business Administration from the University of St. Gallen, an MBA from Vienna University of Economics and studied International Management at HEC.


    ECO13 Berlin Alois Flatz Jan Michael Hess


    • Bart Markus (VC)
    • http://ecosummit.net/uploads/bartmarkus.jpg
    • General Partner
    • Wellington Partners
    • http://www.wellington-partners.com
    • Apart from being a veteran VC, Bart is a seasoned and passionate entrepreneur and is renowned for his relentless drive (and lack of patience therein) to internationalise companies and helping them to become successful beyond Europe by conquering the US or Asia. A Dutch native, he has been a General Partner at Wellington since 2000. He primarily focuses on process technologies, in particular in the Electronics and Cleantech areas. Prior to the past ten years which he spent as an investor in Tech companies, Bart has co-founded three companies including the MRI Centre, now a highly successful chain of private medical diagnostic clinics. He also set up and acted as CEO for ePearle, a pan-European B2B eCommerce start-up. Before Wellington, Bart was an investment professional at HAL Investments and an Associate at McKinsey working in Holland and South Africa. He started his career as a process control system and project engineer with Shell in Norway. Bart holds an MSc in Applied Physics from Twente University of Technology in The Netherlands and an MBA from INSEAD in France.


    ECO13 Berlin Bart Markus Jan Michael Hess


    • Henrik Olsén (VC)
    • http://ecosummit.net/uploads/henrikolsen.jpg
    • Managing Partner
    • Environmental Technologies Fund
    • http://www.etf.eu.com/
    • Henrik is the Managing Partner at ETF. In addition to managing the firm day-to-day, he focuses on new investments and represents ETF on the Boards of Chemrec, Kebony, Perpetuum and Elstat. Prior to founding ETF, Henrik spent 13 years at GE. Most recently he was a Managing Director of GE Equity, General Electric’s private equity business, where he successfully invested in high growth businesses across Europe since 1996. Previously, he worked for a number of different industrial businesses within GE, where he focused on mergers and acquisitions as well as post-merger integration and operational management. Henrik is a Swedish national and has an MBA from the Stockholm School of Economics, which included a scholarship exchange with the New York University Stern School of business. He is the chairman of the European Advisory Board of the Cleantech Group.


    ECO13 London Henrik Olsen Environmental Technologies Fund


    • Rene Savelsberg (VC)
    • http://ecosummit.net/uploads/renesavelsberg.jpg
    • CEO
    • Chrysalix SET
    • http://www.chrysalixset.com
    • Rene Savelsberg is co-founder, CEO and Managing Director of Chrysalix SET since 2007. He is responsible for the strategy and overall operations of the SET Funds. His focus is on companies in the areas of smart grid, energy efficiency, transportation and infrastructure. He serves on the Board of Sefaira and is observer on the Boards of Alertme.com, General Fusion and MicroShade. He also served on the Board of Epyon which was acquired by ABB in June 2011. Between 1997 and 2004 Rene led the Philips Corporate Venturing activities, initially in Silicon Valley and later expanding into Europe and Israel, managing investments in over 40 companies. After Philips decided to depart from its corporate VC involvement Rene successfully divested the portfolio by the end of 2004. In the meantime, he joined Philips’ Corporate M&A department where he was also responsible for semiconductor-related transactions and was instrumental in the €6.4 billion divestment of the Philips Semiconductor Division, now called NXP. Prior to (re)joining Philips Rene worked during 5 years for the Netherlands Foreign Investment Agency, the economic development agency of the Dutch Ministry of Economic Affairs. Rene Savelsberg holds a Master’s Degree in Industrial Engineering & Management from the Technical University Eindhoven, the Netherlands.


    ECO13 Berlin Rene Savelsberg Jan Michael Hess Award Gold Sefaira


    • Fabienne Herlaut (VC)
    • http://ecosummit.net/uploads/fabienneherlaut.jpg
    • Managing Partner
    • Ecomobilité Ventures
    • http://www.ecomobilite-ventures.com/
    • Fabienne Herlaut graduated from Ecole Superieure de Commerce de Paris and holds a Master degree from Harvard Business School. After graduation, she joins Bain and Co. in the Boston and Paris offices. From 1990 until 2001, she joins Harwanne, a diversified holding company (mining, packaging, electronics), listed in Paris and Geneva, as General Manager. She is in charge of managing the portfolio of participations (M&A) and supervising the operational performance of Harwanne subsidiaries to drive them toward leadership positions. In 2001, she joins Pechiney as Head of Corporate Strategy and following Alcan takeover, co-leads the integration between Alcan and Pechiney. In 2005, she joins ArcelorMittal, Flat Carbon Steel division, in charge of business development and partnerships. In 2007, she joins SNCF as head of Corporate Strategy and Sustainable Development, member of the Executive Committee. In 2008, she launches Ecomobilité Partenaires, SNCF Corporate Venture fund dedicated to sustainable development with €15M equity and investments in six companies. In November 2011, Fabienne Herlaut leaves SNCF to create Eclaircile Gestion, in charge of managing Ecomobilité Ventures, the newly created €25M multi corporate (SNCF, Orange, Total) venture fund, dedicated to sustainable mobility.


    ECO13 Berlin Fabienne Herlaut Jan Michael Hess


    • Dr. Tarja Teppo (VC)
    • http://ecosummit.net/uploads/tarjateppo.jpg
    • Partner
    • Cleantech Invest
    • http://www.cleantechinvest.com
    • Tarja (MSc in Engineering, PhD in Tech) is the co-founder of Cleantech Invest that has provided Cleantech investment advisory for large institutional clients in the Nordic area since 2005. Cleantech Invest (CTI) has been mandated as the cleantech accelerator by the government of Finland. CTI manages Clean Future Fund I (CFF I) that has made nine investments into early stage cleantech ventures. Tarja has also been involved in organizing the Nordic cleantech venture day since its inception seven years ago. She has been following the development of the cleantech investment market since its early stages, through her research at the Helsinki University of Technology, starting in 2002. She defended her thesis on “Venture Capital Investment in Sustainable Energy Technologies” in 2006. Prior to 2002, she worked for Nokia Ventures Organization in the United States and headed R&D groups at Nokia Corporation.


    ECO13 Berlin Tarja Teppo


    • Dr. Peter van Gelderen (VC)
    • http://ecosummit.net/uploads/petervangelderen.jpg
    • Partner
    • Icos Capital
    • http://www.icoscapital.com
    • Peter van Gelderen is one of the founding Managing Partners at Icos Capital, a leading European cleantech investor with offices in Amsterdam, Rotterdam and Munich. He is responsible for the overall investment strategy of Icos Capital and a board member in five Icos portfolio companies. Icos Capital developed a unique collaborative corporate venturing model with cornerstone investors that are actively involved in energy, water and bio-based chemicals markets. Before co-founding Icos Capital, Peter worked as a strategy consultant at Deloitte, focusing on energy, recycling, water and technology markets. He advised globally active corporations on expansion strategy, mergers and acquisitions and joint-venture deals. In this capacity, he contributed substantially to the revision of the business strategy of several of these companies in response to new market developments such as technology innovation and renewable energy. He also advised the Dutch Ministry of Economic Affairs on innovation policy. Peter started his career in the Philips Research Laboratories, where he was involved in nanotechnology and new materials research and development. He received a PhD in theoretical physics from Nijmegen University and is a frequent speaker on cleantech investing, innovative technology developments and sustainability.


    ECO13 Berlin Peter van Gelderen Jan Michael Hess


    • Dr. Tim Jungblut (VC)
    • http://ecosummit.net/uploads/timjungblut.jpg
    • Venture Partner
    • Electranova Capital
    • http://www.electranovacapital.com
    • Tim is a senior manager with a special focus on cleantech and renewable energies. He has more than 15 years of international experience in B2B business at industrial corporations, banks and venture capital funds. Tim joined Electranova Capital (Idinvest Partners) as Venture Partner in 2013. In this role he concentrates on the German-speaking countries. Since 2012 Tim is Head of Projects at Siemens, Energy Sector, in the renewable energies arena. Prior to that he was Head of the Business Unit Ground Mounted Systems at Gehrlicher Solar and held various senior management positions at UniCredit and HypoVereinsbank (HVB), Corporate & Investment Banking, and served as Managing Director of the Venture Capital Fund HVB Life Science. Before he acted in different positions at Swiss Re, Mercer Management Consulting, EUREKA and GSF – National Research Center for Environment and Health. Tim studied chemistry and environmental chemistry at the universities of Bonn, Edinburgh and Freiburg i.Br. and holds a PhD in natural sciences from the Ludwig Maximilians University, Munich. His doctoral thesis and scientific work was honoured with several prizes and scholarships. He accomplished studies in business administration and financing at the University of St. Gallen (IfB), UniManagement and INSEAD. His interests are his family, sailing, mountaineering and travelling.


    ECO13 Berlin Tim Jungblut Electranova Capital


    • Alexander Schlaepfer (VC)
    • http://ecosummit.net/uploads/alexanderschlaepfer.jpg
    • Partner
    • Aster Capital
    • http://www.aster.com
    • Alexander joined Paris-based venture capital firm Aster Capital in 2009 and is leading investments in the areas of energy conversion and storage. Prior to Aster, he headed Global Strategy & Business Development for Alstom’s €5 billion Thermal Services business. Earlier, Alexander was Managing Director at ABB in Egypt, responsible for a business unit active in EPC contracting and services for utility and industrial power plants. In 15 years at Alstom and ABB, Alexander closed over 20 M&A deals and created several joint ventures and new businesses. He holds a BA from the University of Applied Sciences in St. Gallen and a Masters in Finance (MSc) from London Business School. Alexander is a Director at Aster’s portfolio company IOXUS (Oneonta/NY, USA), Etogas (Stuttgart/DE) and Atlantium (Bet Shemesh/Israel). He is also a member of the advisory board to French early stage venture fund EMERTEC IV and to the Competence Center Environment and Sustainability (CCES) at ETH Zürich. On a private basis, he is active as angel investor in Switzerland.


    ECO13 Berlin Alexander Schlaepfer Aster Capital


    • Dr. Martin Kröner (VC)
    • http://ecosummit.net/uploads/martinkroener.jpg
    • Managing Partner
    • Munich Venture Partners
    • http://www.munichvp.com
    • Martin Kröner is Managing Partner at Munich Venture Partners. He represents MVP in the Boards of Sortech, Kebony and Luxexcel. Before joining MVP, he was co-founder and CEO of Agnion Energy, a manufacturer of distributed power generation systems for converting wood-based biomass into electrical power and natural gas. He developed the business from its establishment into a leading company in the field, performing several rounds of financing with well-known investors such as Kleiner Perkins Caufield Byers, Wellington Partners and Waste Management. Before his involvement with Agnion, Martin Kröner worked for Linde, the global leader in technical gases and one of the most profitable plant engineering companies. Prior to working for Linde, Martin Kröner built up Thermotec Engineering Services, a spin-off from the Technische Universität München. Martin Kröner is a mechanical engineer with a PhD in Thermodynamics and Combustion Research from the Technische Universität München.


    ECO13 Berlin Martin Kroener Robert Gallenberger


    • Harri Ollila (VC)
    • http://ecosummit.net/uploads/harriollila.jpg
    • Partner
    • VNT Management
    • http://www.vntm.com
    • Partner of VNT since 2007, experience in electrical engineering industry 22 years and communication technology industry 5 years. Work history: Elcoteq, SVP European Operations, SVP Corporate Relations 2002-2007, ABB, sales and general management positions 1983-2002, Ekono, energy consultant 1980-1982.


    ECO13 Berlin Harri Ollila VNT Management


    • Susana Quintana-Plaza (Corporate VC)
    • http://ecosummit.net/uploads/susanaquintanplaza.jpg
    • VP Innovation Scouting & Co-Investments
    • E.ON
    • http://www.eon.com/en/about-us/innovation/strategic-co-investments.html
    • Susana joined E.ON in 2009 in its Climate & Renewables division. Since, 2011 she has taken over the role of Vice President of Innovation Scouting & Co-investments for the E.ON Group where she leads the team in search of new trends and innovations that will impact the energy world. She has over ten years of work experience in aerospace and energy industries with Boeing, Booz & Co and GE. She holds an MBA from Harvard Business School and Bachelor and a Masters in Aerospace Engineering from the University of Washington. Susana lives in Cologne. In her free time she loves to spend time with her husband and two children and travel the world.


    ECO13 Berlin CVC Panel Susana Quintana EON


    • Robert Gallenberger (VC)
    • http://ecosummit.net/uploads/robertgallenberger.jpg
    • Principal
    • Gimv
    • http://www.gimv.com/
    • Robert Gallenberger joined Gimv’s Cleantech and Technology VC team in Jan 2010. Previously he worked for the Boston Consulting Group in London on Energy and CO2 emission reduction projects. During his MBA at London Business School he gathered PE/VC experience at 3i and DFJ Esprit. He started his career at BMW in Munich, as project manager for the production ramp up of the BMW 3 series. Robert is board member at Govecs, McPhy and Openbravo. He holds observer positions at Novopolymers and Oree and is involved with Gimv’s holding in PE International. He graduated in Mechanical Engineering from Technical University Munich, earned an MSc from Ecole Centrale Paris and an MBA from London Business School.


    ECO13 Berlin Robert Gallenberger Gimv


    • Rolf Adam (Corporate)
    • http://ecosummit.net/uploads/rolfadam.jpg
    • Director Industry Sales EMEAR, Energy, Manufacturing & Transport
    • Cisco
    • http://www.cisco.com/
    • Rolf Adam is a Director with Cisco. He is responsible for the EMEAR Business Development with the Energy industry comprising Oil & Gas and Utilities & Smart Grid. In addition to his responsibilities at Cisco, he is an industry advisor to WHEB Partners (Cleantech fund), sits on the Advisory Board of Entelios AG (Demand Response startup) and emobility2go (EV eCloud startup), and is an expert to the European Commission on Smart Grid. Prior to joining Cisco he was a Principal at Booz Allen Hamilton where he had built and managed the European Smart Grid Practice and an Associate at A.T. Kearney. He holds a Masters Degree in Economics and Business Administration from the University of Eichstaett and a MBA from Webster University.


    ECO13 Berlin Rolf Adam


    • Dr. Steven Fawkes (Service Provider)
    • http://ecosummit.net/uploads/stevenfawkes.jpg
    • Energy Efficiency Advisor
    • Only Eleven Percent
    • http://www.onlyelevenpercent.com
    • Steve Fawkes is an internationally recognised expert on energy efficiency with over 30 years experience including implementing energy management programmes for corporates, local and national governments and co-founding two energy service companies, one in Romania and one in the UK that implemented innovative energy services contracts with Diageo and Sainsburys. From 2007 to 2012 he was a Partner at Matrix where he led the Extel number 1 rated research team and advised clean tech companies on fund raising and M&A. He has been an Adviser to the UK Department of Energy & Climate Change and in 2012 was awarded the Energy Institute’s Individual Achievement Award. He has published extensively on energy efficiency including two books. He is currently a non-executive director of Bglobal, an adviser to several clean tech companies and funds, and implementing efficiency finance programmes in Europe and North America.


    ECO13 Berlin Steven Fawkes Jan Michael Hess


    • Dr. Joerg Fabri (Service Provider)
    • http://ecosummit.net/uploads/joergfabri.jpg
    • Managing Partner
    • Allocate
    • http://www.allocate.de
    • 4 years Shell, Manager “Marketing Technology Department”
      5 years VEBA AG (E.ON AG), Head of “Corporate Strategy”
      5 years RWE AG, Head of “Strategic Planning” and Vice President “Multi Utility Operations”
      4 years Arthur D. Little, Partner
      6 years Droege & Comp., Managing Director
      Since 2011, allocate International, Managing Partner and London & Oxford Capital Markets since 6 years (in parallel)
      Education: Dr. rer. nat., RWTH Aachen, Germany and Diploma in Chemistry, RWTH Aachen, Germany


    ECO13 Berlin Joerg Fabri Jan Michael Hess


    • Conrad Ess (Service Provider)
    • http://ecosummit.net/uploads/conradess.jpg
    • Managing Director
    • Green Technology Staffing
    • http://greentechstaff.de
    • 7 years with Reutax AG, specialized recruiting, Co-founder, COO, CEO, Germany – USA – Switzerland
      1 year with Management Angels, Interim Management recruiting
      7 years with Ascena (Hays), specialized recruiting, Managing Director
      Education: MBA, University of Bradford (Nimbas) and Dipl. Ing. (FH) Electrical Engineering.


    ECO13 Berlin Conrad Ess Green Technology Staffing


    • Alexander Bigge Lidgren (Accelerator)
    • http://ecosummit.net/uploads/biggelidgren.jpg
    • Portfolio Manager
    • Swedish Energy Agency
    • http://www.energimyndigheten.se/en/
    • Bigge evaluates incoming funding cases within renewable energy and energy efficiency. The Swedish Energy Agency evaluates around 120 projects every year, funding approximately ten to fifteen of them. He also manages the portfolio of 50 high growth companies that have received financing from the Swedish Energy Agency. Bigge is a serial entrepreneur with experience from raising VC money, growing companies and successful exits. He previously founded and was Managing Director of Cleantech Scandinavia, which was and continues to be the leading provider of cleantech dealflow in the Nordics. He also founded and managed Nordic Cleantech Open, the Scandinavian startup competition that each year selects the 25 most promising cleantech growth cases.


    ECO13 London Jan Christopher Bigge


    • Mads Jensen (Startup)
    • http://ecosummit.net/uploads/madsjensen.jpg
    • CEO
    • Sefaira
    • http://www.sefaira.com/
    • Mads Jensen is the CEO of Sefaira and a visionary in the use of cloud computing for performance based building design. Mads co-founded Sefaira in 2009 with a mission to transform the way buildings are designed and retrofitted. In the pursuit of this, Mads passionately champions the use of deep computing to unlock real-time scientific analysis. Today Sefaira, based in New York and London, is the leading company in cloud software for design of energy efficient buildings and building energy retrofits. Under Mads’ leadership, Sefaira won the Green Building Innovation Award in 2011 and was named a Top 200 Private Company in 2012. Prior to founding Sefaira, Mads was a Business Executive at IBM in Paris and London. He holds a BSc in International Business from Copenhagen Business School and an MBA from INSEAD. Mads lives in London with his wife and daughter.


    ECO13 London Mads Jensen Jan Michael Hess


    • Tom Schulz (Startup)
    • http://ecosummit.net/uploads/tomschulz.jpg
    • COO
    • Entelios
    • http://www.entelios.com/
    • Tom Schulz is a serial entrepreneur and investor. Tom is co-founder and COO of Entelios, Germany’s first nationwide Demand Response Aggregator. Tom is a co-founder of the San Francisco–based Cleantech Circle, a group of serial entrepreneurs and investors with a passion for Cleantech. He worked on computer languages at Digital Equipment Corporation’s Western Research Lab in Palo Alto and artificial intelligence and multimedia projects at Apple Computer in Germany. Later, Tom was a strategic management consultant for The Boston Consulting Group. In 1995, Tom co-founded the first publicly traded, nationwide Internet service provider in Germany, Cybernet AG, where he served on the executive management board. After going public with Cybernet, he went on to become an angel investor with the Munich Business Angel Network. Later he was a member of The Angels’ Forum, an investor group in Palo Alto that also manages the Halo Funds. Tom currently serves on the advisory board of Earlybird Venture Capital in Munich. Tom earned an MBA from Stanford University and studied Computer Science at the ETH Zurich and KIT (Karlsruhe Institute of Technology).


    ECO13 Berlin Tom Schulz Jan Michael Hess


    • Knut Hechtfischer (Startup)
    • http://ecosummit.net/uploads/knuthechtfischer.jpg
    • CEO
    • Ubitricity
    • http://www.ubitricity.com
    • Knut Hechtfischer is one of ubitricity’s founders and managing directors. Knut completed a bank traineeship and holds university degrees in both law and business administration (MBA equivalent). He then joined leading international law firms in London, Frankfurt and Berlin, advising national and international clients in Regulatory, Acquisition Finance and Renewable Energy related projects. Working as an attorney during the day, Knut’s fascination with the potential of the renewable energy sector soon had him reading up on generation and storage opportunities by night. He envisaged ubitricity’s idea as well as the technical and commercial concepts in 2007 and founded the company with his friend and colleague Frank Pawlitschek in 2008. At ubitricity, Knut directs and instructs the implementation of the ubitricity concept and develops future co-operations and market models connected to his company’s concept. Knut also has a strong technical background and envisioned important parts of ubitricity’s mobile metering system.


    ECO13 Berlin Knut Hechtfischer Ubitricity


    • Christoph Ostermann (Startup)
    • http://ecosummit.net/uploads/christophostermann.jpg
    • CEO
    • Sonnenbatterie
    • http://www.sonnenbatterie.de
    • Christoph Ostermann is Co-Founder of the Prosol Invest Group, being with its Solar Battery product range one of the pioneers in the residential battery storage market. Solar Battery is a highly innovative, intelligent battery system offering much more than just an energy storage solution. The system comprises several added value features such as smart home, smart meter, PV-monitoring and UPS. Since its market launch in early 2011 several hundreds of Solar Batteries have been sold only in Germany. Christoph began his career with KMC Management Consultants, a leading management consulting firm focused on sales and marketing expertise, where he was Managing Partner and Co-Founder of a branch office. Since 2005 he is in the renewable energy business, where he has been involved in several companies as CEO, entrepreneur and/or consultant. Christoph graduated in 1997 with a degree in Business Administration from the University of Bayreuth.


    ECO13 London Christoph Ostermann Sonnenbatterie