Our Executive Leadership Team

Our senior leadership team brings a wealth of public and private sector experience to the management of the Corix Group of Companies.

Lisa Sparrow

President and CEO


As President and CEO of the Corix Group of Companies, Lisa is responsible for establishing strategic direction, setting organizational mandates, and positioning the organization to effectively deliver on its objective to build, own and/or operate regulated and contract water, wastewater, and energy utilities across North America. She is committed to establishing the Corix Group of Companies as trusted members of our communities, providing safe and reliable services to our customers.

Lisa joined Corix subsidiary, Utilities, Inc., in 2002, and previously served as Chief Operating Officer (Corix US Regulated Utilities) and President and CEO of Utilities, Inc. She has over 25 years of experience the in manufacturing, energy and infrastructure sectors, and is an active leader in the professional utilities community. Lisa was appointed the National Drinking Water Advisory Council in 2009, the EPA Climate Ready Utilities Working Group later that year, served as Vice President and President of the National Association of Water Companies and was elected to the Water Research Foundation Board of Directors in 2014, where she remains a director.

Lisa holds a Bachelor of Science degree in Mechanical Engineering from Michigan State University and a Master in Management degree from Northwestern University.


Catherine Heigel

Executive Vice President and Chief Operating Officer


Catherine is responsible for the leadership, operations and growth of Corix's water, wastewater, and energy utilities in the US and Canada.

Catherine joined Corix in 2018 and brings more than 24 years of combined legal, regulatory and executive management experience. Before joining Corix, she served as the Chief Executive of the South Carolina Department of Health and Environmental Control (DHEC) where she oversaw a workforce of 3,400 employees and a budget of $600 million. Prior to her role at DHEC, Catherine spent over 11 years with Duke Energy, serving in various legal and executive management capacities until her last role with the company as President of its South Carolina operations.

Catherine holds a Bachelor of Arts degree from the University of South Carolina, a law degree from The Ohio State University School of Law and an Advanced Management Program Certificate from The Wharton School of Business at the University of Pennsylvania.


Don Sudduth

Executive Vice President and Chief Growth Officer


Don is responsible for leading and growing all US and Canadian energy and contract partnerships, serving wholesale and retail energy customers as well as the Military, Universities and other commercial customers in both regulated and non-regulated utility markets.

Don holds an Executive MBA from Crummer Graduate School, Rollins College; a Bachelor of Science in Engineering & Technology from Purdue University; and has certifications as an ISO 9000 Lead Auditor and in the Six Sigma approach to business efficiency processes. His professional affiliations include American Waterworks Association, National Association of Regulatory Utility Commissioners (NARUC), National Association of Water Companies (NAWC) and various charitable organizations.


Jim Devine

Executive Vice President and Chief Support Services Officer


Jim’s responsibilities include optimizing overall organizational effectiveness, developing solutions and ensuring support services and systems meet the organization’s needs. Jim joined Utilities, Inc. in Human Resources in April 2010, and became Vice President, Shared Services (Utilities, Inc.) in February 2014. He was appointed Chief Shared Services Officer (CSSO) for the Corix Group of Companies in May 2018.

Jim has 24 years of experience in business leadership in the service and utilities industries. Prior to joining Utilities, Inc., he was Director of Operations and later President of a privately owned regional commercial building services organization. He has also been a member and leader in many industry and professional associations and is a current active member of the Shared Service and Outsourcing Network. Jim has a Bachelor of Arts in Business Administration (BA) from Michigan State University, a Master of Business Administration (MBA) from University of Phoenix, and is a certified Senior Professional in Human Resources (SPHR).


Shawn Elicegui

Executive Vice President and General Counsel


As Executive Vice President & General Counsel, Shawn is responsible for all governance, coordination and management of Corix's risk management strategy.

Prior to joining Corix in 2019, Shawn was the founder and managing member of SR 431 Consulting LLC and Elicegui PLLC, where he provided strategic advice and counsel to regulated utilities and other energy industry stakeholders. He previously served on the Board of Directors of NV Energy, Inc., an electric utility with annual revenues of approximately $3 billion. There he held various positions including Senior Vice President of Regulation and Strategic Planning and Senior Vice President of Business Planning, Regulatory and Legislative Strategy.

Shawn holds a BA in International Affairs, Political Science from the University of Nevada, Reno and earned his Juris Doctor (JD) degree from the University of California, Davis – School of Law.


Mario Alonso

Executive Vice President of Corporate Development and Chief Financial Officer

Mario Alonso circle smMario joined Corix’s executive team in 2020. In his current role, Mario is responsible for the strategic management of Corix's accounting and finance functions, as well as leading the development and execution of Corix’s strategy of organic and acquisition-based growth.

Mario was most recently Executive Vice President at Dynegy. While there, he helped transform Dynegy from a small, primarily coal-fueled electric power generator to one of the largest diversified gas-based electric power generation companies in the industry, through both organic growth and acquisitions. He was instrumental in executing the company’s vision of a sustainable, long term growth strategy.

Mario received his Bachelor of Science degree in Commerce from the University of Virginia and an MBA from the University of Virginia’s Darden School of Business. He is based in Houston, TX.