Our Executive Team

Sterling Nielsen


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President and CEO

Sterling Nielsen was named President and CEO of Mountain America in October 2008. He has been with Mountain America since 1995, previously serving as Executive Vice President and Chief Administrative Officer.

As a credit union executive, Nielsen has been responsible for financial management, strategic planning, facilities expansion, technology implementation, human resources, employee development and marketing. He is a consistent and proactive performer with a history of delivering successful membership and asset growth, new product development, excellent sales programs and enhanced member service strategies. Nielsen is a Certified Public Accountant, who earned his bachelor’s and master’s degrees in accounting from Brigham Young University.

Active as a volunteer in community service, he has served as chairman of the West Jordan Chamber board and functions as a Boy Scout leader. He and his wife, Stephanie, have five children.

Nathan Anderson


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Executive Vice President and Chief Operating Officer

Nathan Anderson was named Executive Vice President and Chief Operating Officer in December 2008. He has been at Mountain America since 2004 and has previously served as Chief Marketing Officer and Vice President of Sales.

Prior to joining the credit union, Anderson worked for a number of years in the consumer products industry for Black & Decker and Newell Rubbermaid. Currently, he is responsible for Mountain America’s branch operations, lending, investments, business services, online and mobile banking, the service center and deposit operations. He earned a bachelor’s degree in marketing from Brigham Young University.

Anderson serves as a volunteer on several boards, including the Greater Sandy Area Chamber of Commerce, Salt Lake Community College Foundation and the Athletic Leadership Council at BYU. He and his wife, Gina, have four children.

Marshall Paepke


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Executive Vice President and Chief Administrative Officer

Marshall Paepke was named Executive Vice President and Chief Administrative Officer in December 2008. With Mountain America since 1997, he has previously served as Chief Human Resources Officer, Vice President of Human Resources and Internal Communications and in other human resources roles.

Paepke is currently responsible for Mountain America’s marketing, public relations, web, human resources, internal communications, member and employee educational services, facilities, sales, research and development, commercial real estate, member engagement and outbound service center functions. He earned a bachelor’s degree in business management from the University of Utah and a master’s of business administration from Westminster College.

Active in the community, Paepke volunteers and serves on several boards, including chairman of the Swing for the Kids Golf Challenge, the Utah Credit Union Executive Society board, EDCUtah Board of Trustees and the Financial Literacy Systems board. He and his wife, Heather, have four children.

Chad Curtis


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Executive Vice President and Chief Financial Officer

Chad Curtis was named Executive Vice President and Chief Financial Officer at Mountain America in July of 2012. With Mountain America since 2003, he previously served as Senior Vice President of Finance and as Controller.

A Certified Public Accountant, Curtis worked for a number of years providing audit services at Grant Thornton, LLP as a senior assurance associate. He currently has responsibility for Mountain America’s accounting/finance, electronic funds and information systems. He earned a bachelor’s degree in accounting and a master’s of business administration from the University of Utah.

Curtis is an active in volunteer and dedicated to community service.  Currently, he serves as Assistant District Commissioner for the Boy Scouts of America. He and his wife, Melodee, have four children.

Sharon Cook


Sharon Cook

Senior Vice President and Chief Marketing Officer

Sharon Cook is responsible for Mountain America’s marketing, public relations and web departments, overseeing strategy development and implementation, brand management, community affairs and member acquisition.

She has been a brand strategist in the print and marketing technology sector as director of marketing for AlphaGraphics; she also has worked extensively in financial industry marketing management, having served as director of brand strategy for Beneficial Financial Services.  Her background also includes real estate development experience with Coldwell Banker, where she was director of marketing.

Clearly committed to excellence in education, Sharon is a summa cum laude graduate of Westminster College, where she earned a bachelor of science degree in communications and public relations.  She also holds an associate of science degree in business from LDS Business College.

Highly active in community volunteerism, Cook has served on committees or in board positions for the American Heart Association, Huntsman Cancer Institute, Primary Children's Medical Center, Coldwell Banker Community Foundation, Community Treatment Alternatives, Boys and Girls Club, United Way and numerous others.

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