Tom Spang is the CEO of Advanced Power. He is an Executive Board Member, a member of the Senior Management Committee and a Founding Shareholder of Advanced Power.

Mr. Spang has more than 25 years of experience in the development, financing, investment and management of electric generating facilities.   Before co-founding Advanced Power, he was Vice President and Head of UK Development for InterGen in Edinburgh and London, where he successfully led the development and financing of the 860 MW Spalding project. Mr. Spang was also Vice President, Asset Management for InterGen in Boston, where he was responsible for successfully restructuring InterGen’s insurance program. Prior to joining InterGen, Mr. Spang was a developer for J. Makowski Company, a Boston-based developer of CHP and IPP projects, where he was involved in the development of projects in USA, Canada, the Netherlands, Germany, Portugal and Spain.

Mr. Spang has a BA in economics from Hobart College in New York.

Mr. Winslow has over 20 years of experience in business development in the environmental and energy sectors. Since joining Advanced Power in 2007, he has held roles in finance and development of increasing responsibility. His experience includes the development and commercialization of over 3,000 MWs of highly-efficient low-carbon electric generation and over $4Billion in structured project financing in North America and Europe.

Mr. Winslow was the Project Manager of Advanced Power’s 700 MW Carroll County Energy project, where he successfully originated, developed and led the project team to a project financing in April 2015. Subsequent to Carroll County Energy financing Mr. Winslow completed the development, commercialization and equity raise of Advanced Power’s 1,100MW Cricket Valley Energy project in January 2017. Overseeing Advanced Power’s development team, Advanced Power has successfully completed the development and financing of Advanced Power’s 1,100 MW South Field Energy project in August 2018.

Prior to joining Advanced Power, Mr. Winslow was an integral part of a team at JCI Holdings responsible for the development and launch of several major infrastructure projects and environmental and energy start-up companies throughout the Northeast United States.

Mr. Winslow has a Bachelor of Science degree in secondary education and environmental sciences from the University of Vermont and an MBA in finance from Northeastern University.

Chuck Davis is President of Advanced Power Asset Management with responsibility for the management of Advanced Power’s investments under construction and in operation.  He is also a member of the Senior Management Committee.

Mr. Davis has 30 years of experience in energy infrastructure development, finance, investment and general management. His experience with major infrastructure projects includes management of the full green-field development cycle, from inception through financing, as well as leadership and management of operating businesses. Prior to joining Advanced Power Mr. Davis was President and CEO of Drax Biomass, where he led the establishment of Drax Power’s US pellet manufacturing and logistics business, which included over 1 million tons/year of wood pellet manufacturing capacity and an associated port facility. Before that, he was a Senior Advisor with Morgan Stanley Infrastructure Partners, where he managed portfolio company investments. At InterGen and J. Makowski Associates he held senior management positions in the USA, Europe and Asia, both as a project developer and as head of InterGen’s UK business.  Before his civilian career, he served in the United States Marine Corps. Mr. Davis holds a BA from Tufts University and an MBA from Dartmouth College’s Tuck School of Business Administration.

Todd Magura is Chief Financial Officer and a member of the Senior Management Committee.  Mr. Magura has global responsibility for equity and debt finance, treasury, accounting, tax, planning and risk management.

Mr. Magura brings 24 years of financial experience in the power industry across project finance, corporate finance, treasury, accounting and planning.  His experience includes the raising of approximately $7 billion of project equity and debt to support the development, construction or acquisition of twelve power generation and gas infrastructure projects in the United States and Mexico and $5 billion of corporate financing with High Yield, Term Loan B and Commercial Bank investors.  Mr. Magura has also served in variety of positions within the treasury, accounting and planning disciplines during his career.  Prior to joining Advanced Power in 2014, Mr. Magura was Director, Finance & Treasury at InterGen.    Prior to InterGen, Mr. Magura was a Senior Auditor at Deloitte & Touche.

Mr. Magura has a Bachelor of Science degree in Accounting and Management Information Systems from Babson College.

Andrew Degon is Senior Vice President of Engineering and Construction and a member of the Senior Management Committee. Mr. Degon has global responsibility for all technical issues related to development, construction and operations.

Mr. Degon has 20+ years of experience in the power industry with expertise in development engineering, construction management, and contract negotiations for combined cycle and utility scale solar technologies. His experience includes the development and construction of over 6,000 MW of electric generating facilities, negotiating $2.5 billion in EPC contracts and $500 million of long-term service agreements with OEMs.

Prior to joining Advanced Power in 2013, Mr. Degon held various engineering positions for independent power producers, including LS Power, GenPower and Capital Power.  During his employment at LS Power, Mr. Degon worked on the development of Plum Point, Sandy Creek and West Deptford power plants and provided technical due diligence on the acquisition of 10,000 MW of thermal generation assets.  While at GenPower, Mr. Degon conducted construction management for the Longview Power Plant in West Virginia.  Shortly before joining Advanced Power, Mr. Degon provided technical oversight for a number of operating assets located in the Northeast for Capital Power.

Mr. Degon has a Bachelor of Science degree in Mechanical Engineering from Rutgers University.

Martin Bashall is the Group General Counsel, Executive Board Member, Secretary of the Board and a Founding Shareholder of Advanced Power. Mr. Bashall is responsible for Advanced Power’s legal and corporate governance affairs. He is also a member of Advanced Power’s Senior Management Committee.

Prior to his joining Advanced Power, Mr. Bashall was with InterGen as Vice President and regional General Counsel for Europe, Africa and the Middle East. Before joining InterGen, Mr. Bashall was in private practice with the law firms of Chadbourne & Parke, Clifford Chance and Freshfields.

Mr. Bashall holds a Bachelor of Laws degree from the University of Rhodesia. He is a solicitor of the High Court of Justice for England and Wales and a member of the International Bar Association.

Carlos Riva was named Chairman of the Board of Advanced Power in 2021.  He has served the company since 2006 as a Non-Executive Board Director and member of the Advisory Council. 

Mr. Riva is the Chief Executive Officer of Poseidon Water LLC, a leading seawater desalination developer, and the former President and Chief Executive Officer of Verenium Corporation, a technology company dedicated to commercializing next-generation biofuels and specialty enzymes. Previously, he was an executive director of Amec plc with responsibility for the company’s activities in the United Kingdom and the Americas. Mr. Riva has extensive experience in the electric power industry, having served as the founding Chief Executive of InterGen, a global power company, and as President of J. Makowski Company, developer of the first independent power project in the United States. He is also a former non-executive director of Airtricity. He is past president of the Electric Generation Association and former member of the Coal Industry Advisory Board of the IEA.

Mr. Riva holds degrees in civil engineering from MIT and Stanford University and an MBA from Harvard Business School.

Tom Spang is the CEO of Advanced Power. He is an Executive Board Member, a member of the Senior Management Committee and a Founding Shareholder of Advanced Power.

Mr. Spang has more than 25 years of experience in the development, financing, investment and management of electric generating facilities.   Before co-founding Advanced Power, he was Vice President and Head of UK Development for InterGen in Edinburgh and London, where he successfully led the development and financing of the 860 MW Spalding project. Mr. Spang was also Vice President, Asset Management for InterGen in Boston, where he was responsible for successfully restructuring InterGen’s insurance program. Prior to joining InterGen, Mr. Spang was a developer for J. Makowski Company, a Boston-based developer of CHP and IPP projects, where he was involved in the development of projects in USA, Canada, the Netherlands, Germany, Portugal and Spain.

Mr. Spang has a BA in economics from Hobart College in New York.

Martin Giesen is a Founding Shareholder of Advanced Power. Dr. Giesen was Chairman of the Board of Advanced Power since 2014. In June 2021, he stepped down as Chairman, but he remains an active member of the Advanced Power Board. Prior to this, he has been CEO of Advanced Power since 2007. Dr.Giesen joined Advanced Power in 2001 as COO. He was primarily responsible for the development of the Malženice Power project, which was successfully sold to E.ON in 2006. Prior to his involvement in Advanced Power, Dr. Giesen provided development and consulting services with respect to power generation and gas procurement to companies such as RWE, NUON, and InterGen. Until 2001, Dr.Giesen worked for InterGen as Vice President with regional responsibility for Germany, the Benelux countries, and Scandinavia as Regional Development Coordinator for all of InterGen's development activities in Europe, Africa, and the Middle East and South Asia. Prior to his involvement in InterGEn, Dr. Giesen worked for TransCanada Pipelines. 

Dr. Giesen gained a B.Sc. in Engineering and Applied Sciences and a Doctorate of Philosophy at the University of Sussex in the UK. 

Peter Ramm is an Executive Board member and a Founding Shareholder of Advanced Power. With more than 35 years of experience in the energy sector and with his deep knowledge of the European energy markets, Mr. Ramm provides advice and guidance to Advanced Power’s development and asset management teams operating in Europe.

Prior to Advanced Power Mr. Ramm was responsible for many different technical aspects on more than 5GW of projects through the development, project financing, construction and operation phases. He has detailed knowledge of all the major manufacturers, technologies and solutions to today’s power generation challenges.

Mr. Ramm is a Fellow of the IMechE and has a MA and a BA (Hons) in Engineering from Cambridge University.

Martin Bashall is the Group General Counsel, Executive Board Member, Secretary of the Board and a Founding Shareholder of Advanced Power. Mr. Bashall is responsible for Advanced Power’s legal and corporate governance affairs. He is also a member of Advanced Power’s Senior Management Committee.

Prior to his joining Advanced Power, Mr. Bashall was with InterGen as Vice President and regional General Counsel for Europe, Africa and the Middle East. Before joining InterGen, Mr. Bashall was in private practice with the law firms of Chadbourne & Parke, Clifford Chance and Freshfields.

Mr. Bashall holds a Bachelor of Laws degree from the University of Rhodesia. He is a solicitor of the High Court of Justice for England and Wales and a member of the International Bar Association.

From 1979 until the company’s sale in 1994, Mr. Rooney was a partner and Vice Chairman of J. Makowski Company, which became InterGen. He helped to establish the company’s reputation as an innovator in the North American natural gas industry and as a pioneer in the independent power sector.

Earlier in his career, Mr. Rooney was employed by the Pacific Lighting Corporation. He was a member of that company’s project teams developing the Arctic Gas Pipeline Project, the Polar Gas Project and its Alaska and Indonesian LNG projects.

From 1974 to 1976, he was a Senior Staff Member for international energy matters on the Council on International Economic Policy at the White House. He was a key member of the team that created and gave early direction to the Paris-based International Energy Agency (IEA).

During the period 1995-2005, he served as senior advisor to the Chairman of KeySpan Corporation. He was Chairman of KeySpan (U.K.) and non-executive chairman of Premier Transmission Ltd., a joint venture natural gas pipeline owned by KeySpan and BG Plc, which serves Northern Ireland. He was also a director of Phoenix Natural Gas. Mr. Rooney served as a Senior Advisor to Och-Ziff Capital Management and also acted as an advisor and director to a number of its portfolio companies. Mr. Rooney was a non-executive director (and Chairman of the Risk Management Committee) of London-based Climate Change Capital Ltd.

In 2010, Mr. Rooney was appointed Chairman of the North American Advisory Council of Advanced Power, N.A.

Mr. Rooney gained an A.B. from Georgetown University and is a graduate of the Harvard Business School, International Senior Management Program. He served in Vietnam as a U.S. Naval officer during 1967-68.

John McCarter retired from GE after more than 30 years, serving in corporate officer roles in GE’s Energy business and its corporate region management. In his final position with GE, he was President and Region Executive, GE Power Systems Sales Europe. He was responsible for commercial activities across the portfolio of GE’s business units dealing with electrical energy production and management, as well as the oil and gas energy industry. For more than five years prior to this posting, Mr. McCarter served as President and CEO of GE Latin America, responsible for growing the spectrum of GE’s business lines in South and Central America as well as the Caribbean.

Mr. McCarter is a member of the Inter-American Dialogue in Washington, DC, and advises energy-related companies. He currently serves on the board of the Kenan Institute for Engineering, Technology and Science at NC State University, and formerly served as President of the Engineering Foundation at NC State and as head of the Spring Island Trust.

Mr. McCarter has served in numerous prior board roles for public and private companies, universities, and pan-American NGOs over many years.

Mr. Catell was formerly the Chairman and Chief Executive Officer of KeySpan Corporation and KeySpan Energy Delivery, the former Brooklyn Union Gas. His career with Brooklyn Union Gas started in 1958. Following National Grid’s acquisition of KeySpan Corporation, Mr. Catell became Chairman of National Grid, U.S. and Deputy Chairman of National Grid plc.

He currently serves as Chairman of the Board of the Advanced Energy Research and Technology Center (AERTC) at Stony Brook University, the National Offshore Wind Research and Development Consortium and, the Cristo Rey Brooklyn High School. Mr. Catell serves on the Board of the following not for profit organizations: Colin Powell School for Civic and Global Leadership, Department of Education; Diocese of Rockville Centre, Feinstein Institute for Medical Research, Futures in Education Endowment Fund, St. Francis Hospital Foundation, and the New York City Police Foundation.

He also serves on the Board of the following business organizations: A+ Technology & Security Solutions, Inc., Applied DNA Sciences Inc., Long Island Angel Network (LIAN), Long Island Association (LIA), National Petroleum Council, ThermoLift Inc., and the Water Company, LLC.

He Chairs the Advisory Board for Applied DNA Sciences Inc., and in addition to his role on the Advisory Board for Advanced Power he serves on the advisory boards for: CAI Investments, EC Infosystems, Our Energy Policy Foundation, Posillico Inc., and the President’s Advisory Council at Adelphi University.

Mr. Catell is an Executive in Residence at Hofstra University and was named the first “John J. Phelan, Jr. Fellow” of the Robert B. Willumstad School of Business at Adelphi University. Mr. Catell is a former Chairman of Alberta Northeast Gas Ltd., the American Gas Association, Brooklyn Chamber of Commerce, Downtown Brooklyn Partnership, Futures in Education Endowment Fund, KEYERA Energy Management Ltd., Long Island Association, New York State Smart Grid Consortium, Partnership for New York City, Inc., U.S. Energy Association (USEA), Business Council of NYS, the Advisory Board of the City College of New York’s School of Engineering, the Downtown Brooklyn Partnership, and Winthrop Hospital Board of Regents.

Mr. Catell is a former board member of: the Brooklyn Public Library Foundation, City College of New York 21st Century Foundation, Edison Electric Institute (EEI), Energy Association of NYS, Long Island Foreign Affairs Forum, National Grid Foundation, New York Academy of Sciences, New York State Economic Development Power Allocation Board (EDPAB), New York State Energy Research & Development Authority (NYSERDA), Tomorrow’s Hope Foundation, the advisory board of the Center for Urban Sciences & Progress (CUSP), HeartShare for Human Services, and the Brooklyn Law School (Member Emeritus).

Mr. Catell is a member of the Association of Energy Engineers, CUNY Business Leadership Council, National Society of Professional Engineers, NYS Society of Professional Engineers, and the Society of Gas Lighting.

Mr. Catell received both his Bachelor’s and Master’s degrees in Mechanical Engineering from the City College of New York and is a registered Professional Engineer. He has attended Columbia University’s Executive Development Program, and the Advanced Management Program at the Harvard Business School.

Mr. Ulrich is the Chairman of Astrakhan Oil Corporation and a non-executive Director of Regalwood Global Energy Ltd.  From 2013 until 2017 he was CEO and subsequently Chairman of Sterling Resources Limited.  From 2011 to 2013 he was a senior independent energy advisor, holding Board membership positions for several natural resource businesses, including Mediterranean Oil & Gas PLC (now owned by Rockhopper Exploration plc), Mitra Energy Inc. (a private SE Asian E&P company), and Vostok Gas Limited (a private Russian natural gas producer). From 2008-2011 he was Senior Energy Advisor for Och-Ziff Capital Management Group in London, responsible for developing its portfolio of upstream, renewable and infrastructure investments in the European Union, Africa, the former Soviet Union and the Middle East.   He was Managing Director of Centrica Energy Group 1997-2008 and served as an Executive Board member and Executive Committee member for Centrica plc with responsibility for the development and operations of Centrica’s upstream gas and power generation assets, gas procurement and trading, and upstream/midstream business development.

Mr. Ulrich holds a Bachelor of Science degree in Engineering from the University of Maryland and an MBA from the University of Chicago.

Mr. Kirk brings to the role over 35 years of international corporate and structured finance experience combined with extensive knowledge of the energy, power and resource sectors at executive level. He is a co-founder and Chief Executive of the energy advisory firm Kirk Lovegrove and Company Ltd. Prior to this, he worked at Citibank and Banque Paribas. Mr. Kirk is an independent non-executive Director on the Board of Subsea 7 S.A., a publicly-listed world-leading seabed-to-surface engineering, construction and services contractor to the offshore energy and renewables industry.

He has been a Trustee of Roald Dahl’s Marvellous Children’s Charity since 2015 and helps raise funding for tennis facilities, equipment and coaching to disadvantaged and disabled youth in Britain.

Mr. Kirk holds an MBA in Finance and International Business from the Stern School at New York University.