Ron L. Fleming
Chairman, President & CEO
Mr. Fleming has served as the President and Chief Executive Officer of Global Water since January 2015 and was appointed Chairman of the Board of Directors in November 2018. From 2007 to 2014, he served in various roles with the company, including as Interim Chief Executive Officer, Chief Operating Officer, Vice President and General Manager, and from 2004 to 2006, as Senior Project Manager of Engineering and Construction. Mr. Fleming joined Global Water in 2004, crossing over from the construction industry where he worked on numerous large-scale heavy civil infrastructure projects throughout Arizona. Mr. Fleming has over 16 years of related management and utility experience. Mr. Fleming is a director of the Board of Directors of the Maricopa Economic Development Alliance and the Pinal Partnership where he is the Co-Chair and founder of the organization’s Water Resources Committee.
Vice President and General Manager
Mr. Corwin has served as the General Manager of Global Water since September 2013. He previously held roles as the Maricopa-Casa Grande Regional Manager and the Operations Program Manager. Mr. Corwin joined Global Water in 2011 after serving eight years as a Civil Engineering Officer in the United States Air Force where his primary duties included managing infrastructure construction and maintenance at multiple Air Force bases. While in the Air Force, he served in a variety of capacities; including, civil construction, base utility engineer, maintenance engineer, and emergency manager in both stateside and deployed locations. Mr. Corwin holds a degree in Civil Engineering from the United States Air Force Academy, with an emphasis in structural engineering. He also holds a Master of Business Administration from Arizona State University’s W.P. Carey School of Business.
Heather Krupa, CPA
Vice President and Controller
Mrs. Krupa currently serves as Controller. She previously held roles as the Director of Financial Reporting and Financial Reporting Manager. Mrs. Krupa joined Global Water in 2016 with 10 years of accounting experience. She began her career as an auditor with Ernst & Young LLP in Chicago, Illinois, primarily focused in the oil and gas industry along with mergers and divestitures in the manufacturing industry. Subsequent to her time with Ernst & Young she worked for large publicly traded companies in various accounting and financial reporting roles, including Senior Financial Analyst and Financial Reporting Manager. Of which included Exelon Corporation, where she assisted in the financial reporting of a $7.4 billion utility merger, and Florist Transworld Delivery, where she assisted with a $500 million merger. Mrs. Krupa holds a Bachelor of Science in Accounting from DePaul University. She is a Certified Public Accountant, licensed in Illinois, and a member of the American Institute of Certified Public Accountants.
Senior Vice President & CFO
Mr. Liebman has served as Senior Vice President, Chief Financial Officer and Corporate Secretary of Global Water since May 2014. Mr. Liebman brings over 17 years of finance and management experience. Prior to joining Global Water, Mr. Liebman was a Senior Director at Alvarez and Marsal, a predominant turnaround and restructuring firm in the United States, from 2002 to 2014. While at Alvarez and Marsal, Mr. Liebman provided strategic planning and interim management services to companies across various industries, including homebuilding, retail, rental/leasing, and manufacturing. During this time, he successfully negotiated the restructuring of over $3 billion in capital and raised $750 million of new capital for clients. Mr. Liebman holds a Bachelor of Science Degree in Accounting from Northern Arizona University. He has passed all parts of the CPA exam and is a Certified Insolvency and Restructuring Advisor (CIRA).
Vice President of Compliance
and Regulatory Affairs
Ms. Ellsworth currently serves as Vice President of Compliance and Regulatory Affairs. Ms. Ellsworth joined Global Water in 2011, with 17 years of experience as an attorney. Her practice focused primarily on representing municipalities regarding economic development, infrastructure financing and construction, condemnation, and zoning. She worked with various municipal clients to draft and implement contracts, memorandums of understanding, ordinances, and other documents concerning real estate, economic development, construction, human resources, and zoning. Ms. Ellsworth is a member of the Missouri Bar, a graduate of the University of Kansas and the University of Missouri Kansas City – School of Law (UMKC), where she was a member and editor of the UMKC Law Review. Ms. Ellsworth is a director on the Board of Directors of Water Utility Association of Arizona.
Vice President of The Project
Mr. Thuneman, Vice President of the Project Management Office (PMO) of Global Water, has served as the Director of the PMO since 2013. The PMO is responsible for Development Services, Engineering and Construction, and certain activities related to large-scale permitting and other corporate projects. Previously, he held various roles at Global Water; including, as Implementation Manager for the technology and software development division from 2011-2013, as Development Services Manager from 2009-2011, and as Project Manager for Engineering and Construction from 2005-2009 where he deployed over $100M in capital projects for all Global Water’s regulated utilities. Prior to Global Water, Mr. Thuneman achieved experience and knowledge in the commercial and industrial industries working as Project Manager and Engineer for multiple contractors, constructing over $45M in infrastructure and facilities. Mr. Thuneman holds a Bachelor of Science in Construction Management with an emphasis in Business Administration and Business Management from the College of Engineering at Northern Arizona University.