Who we are
Engineers, operators, analysts, economists
and technologists dedicated to a reliable & sustainable power grid




Engineers, operators, analysts, economists
and technologists dedicated to a reliable & sustainable power grid
Unaffiliated with market interests, our mission is to serve the public
under the oversight of state, federal and reliability organizations
FERC
Federal Energy Regulatory Commission
NERC
North American Reliability Corporation
NPCC
Northeast Power Coordinating Council
NYSRC
New York State Reliability Council
PSC
New York State Public Service Commission
The NYISO has hosted over 9,000+ visitors around the globe and our
employees have donated over $1.4M to local charities
Mr. Dewey is a 19-year veteran of the NYISO. Mr. Dewey joined the NYISO in 2000 and has held several pivotal executive roles in Product and Project Management, Strategic Software Development and Quality Assurance. Previously, he spent several years in IT and Network Services for Husky Injection Molding Systems and Niagara Mohawk Power Corporation. He earned a B.S. in Electrical and Computer Engineering from Clarkson University, a M.S. in Computer Engineering from Syracuse University, and is a graduate of Harvard Business School’s General Management Program.
Emilie Nelson leads the System Planning, Information Technology and Market Structures organizations of the NYISO with a focus on proactively addressing the evolving challenges of the industry. Ms. Nelson joined the NYISO in 2004 and most recently served as Vice President, Market Operations with a focus on the capacity market, energy market, and demand response areas. She has 20 years of experience in the power industry and worked for several years in power generation. She earned a B.S. in Mechanical Engineering from Tufts University and an M.B.A. from Pace University.
Mr. Fernandez serves as the NYISO’s Chief Legal and Compliance Officer overseeing the company’s legal, regulatory, and compliance strategy. Mr. Fernandez advises the NYISO’s Board of Directors and Senior Leadership Team on federal, state, and local legal issues affecting the company while monitoring the NYISO’s Corporate Compliance Program. Mr. Fernandez has over 30 years’ experience in the energy sector. Prior to joining the NYISO in 2000, Mr. Fernandez served as Vice President and Chief Regulatory Counsel for Sithe Energies, Inc., a NYC-based independent power producer. He also served as Senior Specialist Attorney at Long Island Lighting Company, and was associated with the NYC law firm of Cullen and Dykman. Mr. Fernandez began his legal career as a trial attorney with the Internal Revenue Service. Mr. Fernandez holds a B.A. from Stony Brook University, a J.D. from Brooklyn Law School, and an LL.M. in taxation from New York University School of Law.
Diane Egan has been with the NYISO since its inception in 1999 and held key positions at the New York Power Pool that preceded it. She brings over 40 years of energy industry and experience to her role which includes Executive Assistant to the NYISO CEOs and as Secretary to the Board.
Rick Gonzales leads the NYISO's efforts in ensuring reliable, efficient Electricity Market Operations and Grid Reliability Operations. Mr. Gonzales has been with the NYISO since its inception in 1999, and the New York Power Pool which preceded it from 1987. His three plus decades of experience in the electric industry, primarily in power control center and energy market operations encompass a considerable understanding of the energy industry overall. He earned a B.S. and M.S. in Electrical Engineering from Clarkson University and is a graduate of Harvard Business School’s Executive Management Program. Mr. Gonzales also serves as a board member for the Northeast Power Coordinating Council.
Doug Chapman leads the Information Technology group, delivering reliable, innovative products and services to our evolving wholesale electricity markets. Mr. Chapman is also responsible for ensuring system compliance with the NYISO’s federal tariff governance and oversight of communications, facilities and enterprise security. Mr. Chapman joined the NYISO in 2015 and has over three decades of experience in the electric utility industry. He has held key leadership roles with the Mid-Continent Independent Transmission System Operator (MISO), National Grid, and Niagara Mohawk. He earned a M.S. in Computer Engineering from Syracuse University and a B.S. in Electrical Engineering from the University of Buffalo.
Cheryl Hussey leads the NYISO’s accounting and financial reporting functions, budget development and oversight, treasury management, procurement and contract administration, corporate credit management and customer settlements. Ms. Hussey joined the NYISO in 2008 and spent over 10 years before that, in key leadership roles at Albany Medical Center. She is a Certified Public Accountant and earned a B.S. in Accounting from the State University of New York at Geneseo.
Kevin Lanahan leads the NYISO’s Government Relations; Stakeholder Services; Member Relations; Regulatory Affairs; Media Relations; and Corporate Communications departments. Mr. Lanahan has 20 years of experience in the energy industry and has provided strategic vision and leadership in his previous positions working for Con Edison, JPMorgan Chase & Co., and National Grid. He holds B.A. degrees in English and Political Science from SUNY Oneonta, and an M.B.A. from Norwich University. He is also a graduate of the Harvard Business School and Con Edison’s Executive Management programs.
Rana Mukerji is responsible for the Market Design, Product and Project Management, Strategic and Business Planning, Research and Development, and Market Training teams. Mr. Mukerji joined the NYISO in 2006. Previously, he spent several years as a global leader for ABB’s Utility T&D Services, Asset Management and Consulting businesses in North Carolina and Zurich. He also played a key role as General Manager for GE’s Power Systems Energy Consulting firm. He earned a B.S in Electrical Engineering from the Indian Institute of Technology, a M.S. in Electric Power Engineering and a M.B.A. from Rensselaer Polytechnic Institute. He is also a graduate of Harvard Business School’s Advanced Management Program. Mr. Mukerji is also a NY registered Professional Engineer.
Zach Smith is responsible for the oversight and implementation of system planning and strategic initiatives for the New York State Transmission System. These include ensuring a reliable electric grid for the future, identifying economic opportunities for transmission investment beneficial to ratepayers, and implementation of system upgrades to enable public policies. Mr. Smith also oversees the interconnection process through which renewable resources and other new generation technologies reliably connect to the New York State electric grid. Since joining the NYISO in 2004, Mr. Smith has spearheaded numerous renewable integration and transmission planning initiatives through key positions of increasing responsibility, and he actively represents the NYISO on Interregional Coordination Committees. He earned B.S. and M.S. degrees in Electrical Engineering from Michigan Technological University.
Wes Yeomans leads the Grid Reliability and Operations team, which is responsible for ensuring the bulk power grid and wholesale energy markets reliably and efficiently respond to the needs of New Yorkers, every minute of every day. Mr. Yeomans joined the NYISO in 2009 and has over 30 years of experience working in the bulk power industry. He previously worked for National Grid and Niagara Mohawk Power, serving in operations and business development. He earned a B.S. in Electrical Engineering from Clarkson University and an M.B.A. from Syracuse University.
Ms. Gach oversees the company’s legal department and assists in the development of regulatory and compliance strategy. She advises the company on a wide variety of federal, state, and local legal issues. She served as Senior Attorney at the NYISO from July 2004 to 2010. Prior to that, Ms. Gach was an associate with the law firm of Nixon Peabody LLP, representing clients on energy and utility matters and, previously, an associate in the Washington, DC office of the law firm of Cullen and Dykman. Ms. Gach received her Juris Doctor, cum laude, from Albany Law School of Union University where she was the Editor-in-Chief of the Albany Law Journal of Science and Technology. She received a B.A. from the University of Rochester.
Robb Pike is responsible for the NYISO's Installed Capacity Market Operations, Distributed Resources Operations, and Operations Performance and Analysis departments. Over his 20+ years with the NYISO his responsibilities have included managing the evolution of the capacity, energy and congestion rights markets to improve efficiency, and expand market features. He has held an array of roles in engineering, operations, information technology, and project and product management. He earned B.S. and M.S. degrees in Electrical Engineering from Clarkson University and a MBA from Union College.
1965
Northeast blackout affects 30M people leading to creation of NY Power Pool
1992
Congress signs Energy Policy Act opening transmission lines to competition
1999
NYISO assumes control of NY's grid & electricity markets
2000
NYISO's markets encourage efficiency cutting costs by $6.4B over next 13 years
2013
NYISO breaks ground on new control center
2017
NYISO releases study that cites importance of carbon pricing in future grid