Chief Executives & Board Members


Steve McKamey


Steve McKamey has been a member of the VALLEYLIFE Board of Directors since 2010 and is the President/Designated Broker of Pro Star Realty. Mr. McKamey has held an active Real Estate Broker License since 1982. He specializes in the listing and sales of residential and commercial properties, asset management, and property management.   Mr. McKamey has held seminars on residential sales and commercial sales, and has conducted large property marketing sessions. He is certified in many areas of real estate and is a member of the National Association of Realtors.


Heather Winters Bull

Vice Chair

Heather Winters Bull was elected to the VALLEYLIFE Board of Directors in July of 2013. Ms. Winters Bull is the Principal Fiduciary and Owner of The Families Advocate, LLC. She holds a Bachelor's Degree from Northern Arizona University and has been an Arizona Supreme Court Licensed Fiduciary since 2001. Ms. Winters Bull is also a National Certified Guardian and has dedicated her life to the service of vulnerable communities, participated on numerous legislative committees, presented educational seminars, and developed accounting and reporting programs to promote administrative transparency and efficiency in the management of client estates. 


James Wuensche


James Wuensche joined the VALLEYLIFE Board of Directors in August 2017 after previously participating on the VALLEYLIFE Advisory Board. Mr. Wuensche has considerable expertise in the areas of finance, accounting, and general management. Mr. Wuensche previously held the positions of Assistant Treasurer at a Fortune 5 financial services subsidiary; Treasurer of a Fortune 250 company; and Executive Vice President of a real estate development firm.


Clifford L. Mattice


Clifford L. Mattice joined the VALLEYLIFE Board in 2010 and is a member of Dickinson Wright PLLC, a law practice which covers municipal law, land use, government entitlements, and litigation. Mr. Mattice graduated from Sunnyslope High School in Phoenix and the College of Law at Arizona State University. He and his wife, Melissa, enjoy raising their two children in north central Phoenix.


Donna Cordova

Chief Financial Officer

Donna Cordova joined VALLEYLIFE as Chief Financial Officer in 2021. She has worked in the accounting and finance fields with non-profits, for-profit companies, and state and local governments.

Since 2017, Donna served as the Controller for the Arizona Dental Association, which represents over 2,000 licensed dentists in the state. Prior to that, she held the position of Controller for the Salt River Materials Group, a manufacturer of Portland cement, sand, gravel, and recycled coal combustion products. Donna also worked at the Salt River Financial Institution, which provides lending and mortgage services.

Donna holds a Bachelor's Degree in Accounting from Arizona State University. She is a Certified Public Accountant. 


Amy Coblentz


Amy Coblentz was elected to the VALLEYLIFE Board of Directors in June of 2020. Mrs. Coblentz is the owner of AmeriCapital, an Arizona Mortgage Banker that specializes in commercial real estate lending and assisting harder-to-place borrowers with their loans.

Katy White


Katy White has been a member of the VALLEYLIFE Board of Directors since 2001.

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Cletus Thiebeau

President & Chief Executive Officer

Cletus Thiebeau started his career with VALLEYLIFE in 1996 as a member of the VALLEYLIFE Board of Directors. In 2003, he accepted the position of President and Chief Executive Officer. Prior to his work at VALLEYLIFE, Cletus had a distinguished career in the commercial financial services industry working with both national and international companies.

Cletus received his Bachelor of Arts degree in Finance at Florida State University, and a Master's degree in Business Administration from the Thunderbird School of Global Management.

When asked how he feels about his work at VALLEYLIFE, Cletus stated, "I have the best job in the world. I get the opportunity to make a difference in the lives of people every day."