Board of Directors

Pentti Karkkainen was appointed Chair of the Board of AltaGas Ltd. effective April 2, 2019. Mr. Karkkainen has over 35 years of investment management, energy sector research and investment banking experience. He was a co-founder and General Partner of KERN Partners from 2000 to 2014, and was the firm's Senior Strategy Advisor from 2014 until his retirement from the firm in 2015. Prior thereto, Mr. Karkkainen was the Managing Director and Head of Oil and Gas Equity Research at RBC Capital Markets.

Mr. Karkkainen has significant board experience on publicly traded companies, including as board chair, lead director and compensation committee chair. He has also held a number of roles with private companies, including audit committee chair. Mr. Karkkainen holds a Bachelor of Science (Honours) in Geology from Carleton University and a Masters of Business Administration from Queen's University. He is a member of the Institute of Corporate Directors.

Mr. Knoll is a Corporate Director and Professional Engineer. He was President of Knoll Energy Inc. from 2006 until 2021. Mr. Knoll served as interim co-CEO of AltaGas from July to December 2018. Prior thereto, he was CEO of Corridor Resources Inc. from 2010 to 2014. His other roles included Group Vice President, Duke Energy Gas Transmission, Chair, Management Committee and President for Maritimes & Northeast Pipeline, as well as senior roles at Westcoast Energy Inc., TransCanada Pipelines Limited and Alberta Natural Gas Company Ltd.

Mr. Knoll has over 35 years of varied experience in the energy sector, primarily related to energy infrastructure businesses and the natural gas value chain. Mr. Knoll holds a Bachelor of Applied Science from the Technical University of Nova Scotia in Chemical Engineering. He is a member of the Institute of Corporate Directors.

Ms. Johnston is a Corporate Director. She was Executive Vice President, Gas, Renewables and Operations Services at TransAlta Corporation from 2015 until her retirement in 2017. Between 2011 and 2015, she held various positions, including Executive Vice President Enterprise Risk and Corporate Services and Executive Vice President Corporate Services at TransAlta. Prior thereto, Ms. Johnston held various executive leadership positions with TransAlta and FortisAlberta.

Ms. Johnston has over 30 years of diverse experience in strategic planning, complex project management, operations, sales and marketing, customer service, stakeholder relations, economic analysis and regulation. She holds a Bachelor of Arts in Economics from the University of Calgary and a Masters in Applied Economics from the University of Victoria. She is a member of the Institute of Corporate Directors.

Ms. Sullivan is a Corporate Director. She most recently served as Executive Vice President and Chief Financial Officer at American Water Works Company, Inc. from 2016 until her retirement in August of 2019, and prior thereto as Senior Vice President and Chief Financial Officer from 2014. Prior to joining American Water Works, she held various roles with the Edison International companies during her 22 years there, last serving as Senior Vice President and Chief Financial Officer at Southern California Edison Company from 2009 to 2014. Ms. Sullivan began her career in public accounting as an auditor with Arthur Anderson.

Ms. Sullivan has over 30 years of utility finance and regulatory experience. She has received her Certified Public Accountant (inactive) and Certified Management Accountant designations and is a NACD Certified Director and Governance Fellow with the National Association of Corporate Directors. Ms. Sullivan holds a Bachelor of Science in Business Administration and Accounting from Portland State University. She is a member of the Institute of Corporate Directors.

Ms. Tower served as President and Chief Executive Officer of Tampa Electric Company, a regulated electric utility and a subsidiary of Emera Incorporated (Emera) in Tampa, Florida, from December of 2017 until 2021. Prior to her roles with Tampa Electric Company, Ms. Tower was the Chief Corporate Development Officer of Emera from 2014 to 2017. From 1997 to 2014, Ms. Tower held several senior positions in corporate finance and in operations at Emera and with its subsidiaries, including Controller and Vice President, Customer Operations of Nova Scotia Power Inc., Chief Financial Officer of Emera, and Chief Executive Officer of Emera Newfoundland and Labrador.

Ms. Tower holds a Bachelor of Commerce from Dalhousie University and is a Fellow Chartered Accountant. She is a member of the Institute of Corporate Directors.

Ms. Calvert is a Corporate Director and a private consultant specializing in executive coaching. She is also Professor Emerita of Business at Mount Royal University in Calgary, where she taught from 1988 until 2018. She was a Director of the Canadian Alliance of Community Service Learning from 2009 to 2017 and has published and spoke extensively regarding sustainability and community partnerships. Prior to this, she held corporate positions at Hudson's Bay Oil and Gas and the Bank of Nova Scotia and British Petroleum.

Ms. Calvert has experience in digital transformation, stakeholder partnerships and sustainability policies and metrics from serving on public company boards and non-profit boards, such as Heritage Park Society Board. She holds a Bachelor of Commerce (Hons.) degree from Queen's University and a Master of Business Administration degree from Western University and is a member of the Institute of Corporate Directors.

Mr. Cornhill is an independent businessman. He is founding shareholder of AltaGas (and its predecessors) and served as Chairman of the Board from 1994 to 2019. He was Chief Executive Officer of AltaGas from 1994 to 2016 and served as interim co-­CEO from July to December 2018. Prior to forming AltaGas, Mr. Cornhill served in various capacities with Alberta and Southern Gas Co. Ltd., including Vice President, Finance and Administration, Treasurer and President and Chief Executive Officer.

Mr. Cornhill is an experienced leader in the business community and is a strong supporter of communities and community collaboration, investment and enhancement and has served on the boards of a number of public and private companies.

Mr. Cornhill is a member of the Ivey Advisory Board at Western University. He holds a Bachelor of Science (Hons.) degree and a Master of Business Administration degree, both from Western, and was awarded an honorary Doctor of Laws degree by Western in 2015. Mr. Cornhill is a member of the Institute of Corporate Directors.

Mr. Duplantier is a recently retired executive who has spent more than 25 years in the energy industry, most recently with Parker Drilling Company. He served as President, Rental Tools and Well Services of Parker Drilling from April 2018 until July 2020. Prior thereto, Mr. Duplantier held a series of executive positions at Parker Drilling, including Senior Vice President, Chief Administrative Officer and General Counsel from April 2014 to March 2018; Senior Vice President and General Counsel from 2012 to 2014; and Vice President, General Counsel and Corporate Secretary from 2009 to 2012. Prior to joining Parker Drilling, he held a number of roles at ConocoPhillips including Senior Counsel, Exploration and Production, Managing Counsel, Indonesia and Managing Counsel, Environmental.

Mr. Duplantier holds a Juris Doctor Degree from Louisiana State University and a Bachelor of Science from Grambling State University. He is a member of the National Association of Corporate Directors and the Institute of Corporate Directors.

Mr. Hodgins is a Chartered Accountant, Certified Public Accountant and has been an independent businessman since November 2004. Mr. Hodgins served as a non-executive part-time Senior Advisor, Investment Banking for Canaccord Genuity Corp. from September 2018 to May 2022. Mr. Hodgins has over 25 years of experience in senior financial roles with several Canadian corporations. He was Chief Financial Officer of Pengrowth Energy Trust from 2002 to 2004, Vice President and Treasurer of Canadian Pacific Limited from 1998 to 2002 and Chief Financial Officer of TransCanada Pipelines Limited from 1993 to 1998.

Mr. Hodgins received an Honours Bachelor of Arts in Business from the Richard Ivey School of Business at Western University and received a Chartered Accountant designation. He was admitted as a member of the Institute of Chartered Accountants of Ontario in 1977 and Alberta in 1991 and he is a member of the Institute of Corporate Directors.

Ms. Lekatsas is a Chartered Accountant, Certified Public Accountant and Corporate Director. Ms. Lekatsas has over two decades of broad industry and corporate finance experience. Most recently she served as President and CEO of Cervus Equipment Corporation until its acquisition in late 2021. Prior to her appointment as President and CEO, Ms. Lekatsas served as an Independent Director of Cervus, including Chair of its Audit Committee. From 2003 to 2018, Ms. Lekatsas was a senior executive with Nutrien and its predecessor company Agrium, where she held various roles spanning Corporate Development, Operations, Finance and Risk. Prior to that, Ms. Lekatsas worked in public practice accounting with a focus on financial institutions, large transactions and cross border listed companies.

Ms. Lekatsas has a Bachelor of Commerce Degree from the University of Saskatchewan. She received her Chartered Accountant designation from the Institute of Chartered Accountants of Alberta in 1990, her Certified Public Accountant designation from the Illinois Institute of Certified Public Accountants in 2002 and holds the ICD.D designation from the Institute of Corporate Directors.

As President and Chief Executive Officer, Mr. Yu leads the development and execution of AltaGas’ strategy, oversees operations and manages the business and affairs of AltaGas.

Mr. Yu is an experienced executive with a proven track record of success across the energy infrastructure value chain including within North American Midstream and Utilities markets being AltaGas’ core focus areas. Mr. Yu joins AltaGas after a successful three-decade career at Enbridge Inc., most recently serving as Executive Vice President, Corporate Development, Chief Financial Officer and President, New Energy Technologies. Prior to that, Mr. Yu held various commercial, operational, and financial roles including serving as Executive Vice President and President of Liquids Pipelines and as Executive Vice President and Chief Development Officer, where he played a leading role in securing more than $30 billion in new growth projects, completion of major pipe replacement projects, leading entry into new markets, and various acquisitions.

Mr. Yu is a Professional Engineer and holds a Master of Business Administration degree in Finance from the University of Toronto, as well as a Bachelor of Science degree in Applied Science from Queen’s University. Mr. Yu serves on the Board of the Calgary Economic Development. He previously served as the Vice Chair of the Alberta Cancer Foundation’s Board of Trustees and served on the Boards of DCP Midstream and Énergir Inc.