GROW Staff

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Bonnie Nawara, CEO

Bonnie ran a successful business for over 20 years, and she also spent six years in the area of non-profit fund development. Bonnie has been with GROW since September 2010. As CEO, Bonnie is responsible for overseeing all GROW operations including community involvement and outreach, business coaching and consulting, programming, funding for microlending and other financial programs, and much more.

Bonnie is also a board member of the Association of Women Business Centers (AWBC). GROW is one of just over 100 Women’s Business Centers in the country, and one of only three in Michigan. She represents GROW throughout the West Michigan community and beyond.


Trevor Sisk, Financial Administrator

Trevor Sisk received his bachelor’s degree in business with a major in operations management in 2006 from Central Michigan University. After a year with URS, a large engineering and construction company, he moved on to become the financial manager of The Community House in Illinois. During his time there, he earned his master’s degree in accounting from the University of Phoenix. After four years at The Community House, he and his family moved back to Michigan because his wife received a teaching job in Grand Rapids. He was hired onto the GROW staff as the financial administrator in January 2015.

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Mary C. Hartfield, Program Manager / Business Consultant

Mary oversees training and one-on-one counseling to women-owned businesses in West Michigan.

Mary has an extensive background in community involvement, entrepreneurship, strategic planning, and leadership training. Prior to joining GROW, Mary served as director of community and corporate collaborations for a local non-profit. Her expertise in business development is complemented by her own experience as an entrepreneur. She is an experienced professional with over 35 years of work in banking, finance, non-profit administration, and community and economic development.

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Kelli Smith, Business Development Specialist

Kelli comes to us from the Ludington are where she owned and operated her own business successfully for more than a decade. She has over 20 years of experience in business operations and client services as well as cost control strategies and finance. Kelli has been a long time advisor for youth services, coordinating internships and mentoring both high school and college students. Her commitment to community development has led her to serve on the board of directors at Safe Harbor Credit Union, West Shore Community College and Memorial Medical Center Benefit Committee.

As an experienced entrepreneur Kelli’s focus at GROW is to provide business services for loan clients. She works closely with each client to cultivate relationships and ensure their current and future business success as well as assisting them through the microloan process.



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Jessica Hertenstein, Administrative Assistant

Jessica is a recent graduate of Cornerstone University, where she received her bachelor’s degree in international business and Spanish. Throughout her college years she was involved in Enactus and the cheer team, studied abroad in both Dubai and Spain and was president of Ritmos, a Hispanic culture organization. In her free time, Jess enjoys crafting along with exploring new cities and is always up for trying unique coffee shops.