Board of Directors

As a wholly owned subsidiary of Ontario Power Generation (OPG), Laurentis’s Board is made up of senior OPG leaders whose vision and depth of knowledge helps set the strategic direction and growth priorities for Laurentis Energy Partners.

Laurentis is in a unique position. This company has developed extensive expertise and talent, and now has an opportunity to leverage this in a growing nuclear industry. Whether it's radioisotopes, new nuclear, or full-scale refurbishments, as interest in nuclear and its many applications surges globally, Laurentis has the expertise and a proven track record of delivering. It’s exactly what clients around the world need right now.
Steve Gregoris
Chair, Laurentis Energy Partners Board of Directors

Meet the Board

Steve GregorisSteve Gregoris


Steve Gregoris is the Chief Nuclear Officer for Ontario Power Generation. He is responsible for OPG’s nuclear fleet consisting of two stations and 10 nuclear units.

Steve has worked in the nuclear power industry for more than 30 years, with Ontario Power Generation and its predecessor, Ontario Hydro. He brings expertise in areas such as operational excellence, leader development, performance improvement, and organizational effectiveness.

Steve began his career in Engineering and then moved to Operations. He has held several positions over the last 30 years, including Certified Shift Manager and Operations Manager at Pickering, and Director of Operations and Maintenance at Darlington. In 2017, Steve completed a secondment with the World Association of Nuclear Operators in Atlanta as an Organizational Effectiveness Evaluator. Steve was Deputy Vice President for Pickering and prior to his current position, he was Senior Vice President for the Darlington Nuclear Generating Station.

Steve is a graduate of McMaster University with a B.A.Sc in Mechanical Engineering and is a member of Professional Engineers Ontario.

Steve is married and has two children. He enjoys motorsports and travelling.

Aida CipollaAida Cipolla


Aida is Ontario Power Generation’s Chief Financial Officer (CFO) and Senior Vice President, Finance. An experienced business executive, Aida joined OPG in March 2022 from Toronto Hydro, where she had worked since 2008, most recently as Executive Vice President and CFO. Prior to joining Toronto Hydro, Aida worked for KPMG LLP in Toronto and Dublin, Ireland, leading audit and advisory engagements.

Aida is known as a forward-thinking thought leader and spokesperson for the electricity industry. She is the first woman to chair the Electricity Canada (formally Canadian Electricity Association) CFO committee. Aida was recognized as one of Canada’s Top 100 Most Powerful Women in 2020 and as an Honouree in Canada's Top 40 Under 40 in 2019.

A Chartered Professional Accountant (CPA, CA), Aida and holds an Honours Bachelor of Commerce Diploma with a minor in Economics from McMaster University, Michael G. DeGroote School of Business, and sits on the Board of Directors and Resource Committee for Women’s College Hospital in Toronto.

Aida is a devoted wife and mother of two young children.

Meet Laurentis’s leaders

Meet the seasoned industry leaders who are guiding business growth and making Laurentis a household name in the global nuclear industry.

Meet Laurentis’s leaders

Meet the seasoned industry leaders who are guiding business growth and making Laurentis a household name in the global nuclear industry.