Meet The Team

Ron L. Fleming

Chairman, President & CEO

Ron 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.  Ron joined Global Water in 2004, crossing over from the construction industry where he worked on numerous large-scale heavy civil infrastructure projects throughout Arizona.  He has over 16 years of related management and utility experience. Ron 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.

Mike Liebman

Senior Vice President & CFO

Mike has served as Senior Vice President, Chief Financial Officer and Corporate Secretary of Global Water since May 2014. He brings over 17 years of finance and management experience. Prior to joining Global Water, Mike 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, he provided strategic planning and interim management services to companies across various industries, including home building, 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. Mike 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).

Jon Corwin

Vice President & General Manager

Jon 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. Jon 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. Ron holds a degree in Civil Engineering from the United States Air Force Academy, with an emphasis in Structural Engineering and a Master of Business Administration from Arizona State University’s W.P. Carey School of Business. 

Joanne Ellsworth

Vice President of Compliance

& Regulatory Affairs

Joanne currently serves as Vice President of Compliance and Regulatory Affairs. She 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. Joanne 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. She 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.  Joanne is also a director on the Board of Directors of Water Utility Association of Arizona. 

Heather Krupa, CPA

Vice President & Controller

Heather currently serves as Vice President and Controller. She previously held roles as the Director of Financial Reporting and Financial Reporting Manager. Heather 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. Heather 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.    

Jake Lenderking

Vice President, Water Resources

Jake currently serves as the Vice President of Water Resources. He previously held roles such as the Manager of Water Resources at EPCOR Water, in addition to working in the Water Conservation Office at the City of Phoenix where he assisted in the management of the City's water resources and oversaw the development of the City's Demand Management Plan and the City's Residential Retrofit Program. Prior to his tenure at the City of Phoenix, Jake worked at the Arizona Department of Water Resources (ADWR). He held various positions and ultimately oversaw the review of all Phoenix Active Management Area recharge and recovery applications. Jake received his Bachelor of Science in Environmental Resources with a concentration in Watershed Ecology from Arizona State University, and holds a Master of Business Administration from Thunderbird School of Global Management.

Jason Thuneman

Vice President of The Project

Management Office

Jason is currently serving as the Vice President of the Project Management Office (PMO) and 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 Resources; 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, Jason 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. Jason 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.

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