Meet The People Behind Sterling Volunteers

Katie Zwetzig

Katie Zwetzig

Executive Director

Katie is excited to be leading the revolutionary change Sterling Volunteers is bringing to the nonprofit and volunteer industry. She has been at the forefront of the screening industry for the last 14 years and founded her own background screening company, Tandem Select. Katie holds an MA in Marketing from Colorado State University and a BA in Finance and Marketing from The University of Colorado. Katie feels strongly that nonprofits and volunteerism are at the heart of a strong community. She is a dedicated volunteer, sitting on many boards and committees in Northern Colorado. She is based in Ft. Collins, Colorado where she lives with her husband and 3 daughters.

Christina Brown

Vice President, Client Experience

As head of Sterling Volunteers’ Client Experience group, Christina is in charge of Implementation, Account Management and Client Services, essentially ensuring that clients are treated as what they are – our greatest asset! Christina has 12 years of experience in project management and customer service, eight of them in the background screening industry. She has extensive experience managing screening programs for large nonprofit organizations specializing in complex implementation and system integration projects. Christina holds a Bachelor of Business Administration and a Project Management Certification from Colorado State University and an MBA in Health Care Administration from the University of Colorado Denver. Christina is based in Fort Collins, Colorado where she lives and volunteers actively with her two kids.

Mark Rosenberg

Vice President, Sales

Mark joined Sterling Volunteers in 2015 as Vice President of Sales, charged with driving results for the rapidly growing volunteer screening organization. Over the past 15 years, Mark has succeeded in helping organizations – particularly those in the healthcare and technology fields – transform their businesses by effectively implementing best practice processes. He has maximized efficiencies for numerous Fortune 100 organizations. Prior to coming onboard with Sterling Volunteers, Mark was Sales Director at Oticon, Inc., one of the world’s largest hearing aid manufacturers. As a dedicated volunteer, Mark works regularly with ‘Teenz in the City,’ supporting teenagers with special needs. He also emcees the Super Bowl’s Celebrity Flag Football Game, which benefits the Wounded Warrior Project. Because of his passion for helping others, he is excited to help continue to grow Sterling Volunteers and make volunteering safer and easier across the country. Mark holds a B.S. in Management from Indiana University and is based in New York City where he lives with his wife and daughter.

Kimberly Chochon

Vice President, Partnerships

Kimberly spearheads strategic business alliances for Sterling Volunteers. She thrives on building long-term, mutually beneficial partnerships and has become a trusted advisor to many national nonprofit organizations in screening best practices. She is passionate about educating nonprofits and their affiliates on the important role a quality background screening program plays in helping mitigate risk and creating safer environments. Kimberly holds a Bachelor’s degree in Business from Washington State University and is based in Seattle, Washington where she enjoys volunteering at local animal shelters.

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