Management Team

Andy Marsh , President and Chief Executive Officer

Andy Marsh joined Plug Power as President and CEO in April 2008. Mr. Marsh plans and directs all aspects of the organization’s policies and objectives. He is focused on building a company that continues to leverage Plug Power’s combination of technological expertise, talented people and focus on sales growth to position the Company as a leader in the future alternative energy economy.

Previously, Mr. Marsh was a co-founder of Valere Power, where he served as CEO and Board Member from the Company’s inception in 2001 through its sale to Eltek ASA in 2007. Under his leadership, Valere grew into a profitable global operation with over 200 employees and $90 million in revenues derived from the sale of DC power products to the telecommunications sector. During Mr. Marsh’s tenure, Valere Power received many awards such as the Tech Titan award as the fastest growing technology company in the Dallas Fort Worth area and the Red Herring Top 100 Innovator Award. Prior to founding Valere, he spent almost 18 years with Lucent Bell Laboratories in a variety of sales and technical management positions.

Mr. Marsh is a member of the Board of Directors for the California Hydrogen Business Council, a non- profit group comprised of organizations and individuals involved in the business of hydrogen. He holds an MSEE from Duke University and an MBA from SMU and a BSEET from Temple University.

Tim Cortes , Vice President, Hydrogen Energy Systems

Tim Cortes joined Plug Power Inc. as Vice President of Hydrogen Energy Systems in January of 2015. In this role, Mr. Cortes is responsible for overseeing the GenFuel business, including interactions with customers, partners and suppliers critical to increasing Plug Power’s growing market share within the hydrogen fuel industry.

Prior to joining Plug Power, Mr. Cortes served as Chief Technology Officer and Vice President of Engineering at Smiths Power. In these positions, he was responsible for research and development, as well as solutions for global applications. During his tenure at Smiths Power, Mr. Cortes led product line expansion that resulted in a doubling of revenue growth in less than six years.

Mr. Cortes holds a Bachelor of Science degree in electrical engineering from New Mexico State University. Additionally, he holds several patents covering power system architecture.

Paul Middleton , Chief Financial Officer

Paul Middleton joined Plug Power as Chief Financial Officer in 2014, bringing a proven background in strategy, mergers and acquisitions, controls and risk management for manufacturing and technology companies.

Prior to Plug Power, Mr. Middleton worked at Rogers Corp., a global manufacturer and distributor of specialty polymer composite materials and components. During his tenure at Rogers, Mr. Middleton served in many senior financial leadership roles including Corporate Controller and Principal Accounting Officer, Treasure and Interim Chief Financial Officer. Prior to Rogers, Mr. Middleton managed all financial administration for the tools division of Cooper Industries.

Mr. Middleton holds a Master of Science in Accounting and a BBA from the University of Central Florida. Additionally, he is a Certified Public Accountant.

Keith Schmid , Chief Operating Officer

Keith Schmid joined Plug Power Inc. as Chief Operating Officer in 2013, bringing more than 24 years of experience in the fields of industrial power systems and energy storage. Mr. Schmid is responsible for the day-to-day operations of the corporation.

Prior to joining Plug Power, Mr. Schmid served as President of SPS Solutions, a power solutions and energy storage consulting firm, from 2011 to 2013. Previously, Mr. Schmid served as CEO of Boston- Power Incorporated, a provider of large format lithium ion battery solutions, in 2011, and as President and CEO of Power Distribution Incorporated, a power distribution and protection company, from 2007 to 2010. Additionally, Mr. Schmid held the position of General Manager, Industrial Energy Division- Americas for Exide Technologies from 2001 to 2007.

Mr. Schmid holds an M.B.A and a Master of Science degree in Engineering from the University of Wisconsin – Madison.

Jose Luis Crespo , Vice President, Global Sales

Jose Luis Crespo joined Plug Power Inc. as Vice President of Business Development and International Sales in 2014. He was promoted to Vice President of Global Sales in January of 2015. In this role, Mr. Crespo assumed all responsibilities for the global sales strategy, sales growth and market entry for Plug Power’s GenDrive and GenSure brands.

Prior to joining Plug Power, Mr. Crespo served as Vice President of International Value Stream at Smiths Power. He successfully brought together two international business divisions, including sales, manufacturing, and field support. Under his leadership, Smiths Power achieved combined sales of $14M in the first year after the acquisition.

Mr. Crespo holds an MBA in Global Management from the University of Phoenix and a degree in Telecommunications Engineering from the Engineering University of Madrid, Spain.

Gerard L. Conway, Jr. , General Counsel

Gerard Conway joined Plug Power as Associate General Counsel in 2000 and was promoted to General Counsel and Corporate Secretary in 2004. As General Counsel and Corporate Secretary, he is responsible for advising the Company on legal issues such as corporate law, securities, contracts, strategic alliances and intellectual property.

Mr. Conway also serves as Vice President of Governmental Affairs. In this role, he advocates on energy issues, policies, legislation and regulations on the state, federal, national and international levels on behalf of Plug Power and the alternative energy sector.

Prior to joining Plug Power, Mr. Conway spent four years as an Associate with Featherstonhaugh, Conway, Wiley & Clyne, LLP, where he concentrated in government relations, business and corporate law. Mr. Conway has more than 13 years of experience in general business, corporate real estate and government relations.

Mr. Conway holds a Juris Doctorate from the Boston University School of Law. He received a Bachelor of Arts degree in English from Colgate University.

Tammy Kimble , Vice President, Human Resources

Tammy Kimble is a Human Resource leader with over 25 years of global experience as a business partner in multiple industries. She joined Plug Power as VP, Human Resources in 2019, having served SEFCU in a similar capacity since 2015. Ms. Kimble’s specialties include organizational development, coaching, staffing, benefits, compensation, HRIS, succession planning/talent planning, mergers & acquisitions, and organizational transitions. Her prior career experience includes executive leadership roles at such companies as Bechtel Marine Propulsion Corporation, Momentive Performance Materials, Berkshire Bank, and a previous stint with Plug Power.

Ms. Kimble holds an MBA from Sage Graduate School (Concentration: Human Resources) as well as a BA from Siena College. She has served as an adjunct professor at The Sage Colleges, the Lally School of Business at RPI, and Siena College.

Sanjay Shrestha , Chief Strategy Officer

Sanjay Shrestha joined Plug Power as Chief Strategy Officer in 2019. Prior to joining Plug Power, Mr. Shrestha served as the CIO of a global solar IPP and President Sky Capital Americas since 2015. Under his leadership, Sky Capital America built and acquired over 100MW of operating solar assets and secured pipeline over 100MW. He also sourced various types of financing solutions to support this growth including project debt, construction equity and long-term equity. He brings almost two decades of experience in the broader clean tech sector to our team. Before global solar IPP, he led the renewables investment banking effort at FBR Capital markets. During 2014, and under his leadership, the firm was ranked among the top renewable energy underwriters in the U.S.

Prior to joining FBR, Mr. Shrestha spent seven years as the global head of renewables research coverage at Lazard Capital Markets. During his tenure at Lazard Capital Markets, he was a member of the Institutional Investor All America Research team and was also ranked as one of the top five stock pickers on a global basis. Prior to Lazard Capital Markets, Mr. Shrestha spent seven years at First Albany Capital, where he built the firm’s renewables and industrial research practice. Starmine/Forbes Magazine ranked him the number 1 stock picker and the number 1 earnings estimator during his tenure at First Albany Capital. Mr. Shrestha serves as an independent director on the board of directors of Fusemachines, an AI company.

Chris Suriano , Executive Vice President, Service

Chris Suriano joined Plug Power as Executive Vice President, Service in 2019, bringing more than 18 years of experience in the Power Generation Services business in a variety of technical, commercial, operational and P&L leadership roles. His most recent previous experience was as Region Director for Field Core, Inc., a GE company where he led the successful startup of a new Field Services organization in the Northern United States. Prior to Field Core, Mr. Suriano held multiple leadership positions with GE over the course of sixteen years with the company, including Service Director for Power Service, North Operations Leader for Power Generation Service, and Global Steam Turbine Leader for Power Generation Service.

Mr. Suriano earned his Bachelor of Science in Electrical Engineering from Manhattan College.