Meet Our Board of Directors:


Tawnya Clark

Board Member

Tawnya Clark is currently a graduate student with Wayne State University Mike Illitch School of Business. Her concentrations include Entrepreneurship & Innovation and People Operations (Human Resource Management) with a minor in Organizational Psychology. She is a passionate entrepreneur who in 2012 founded, The Batata Shop, a small batch sweet potato comfort foods pop-up which produced whole wheat and gluten free sweet potato waffles. She craves to be part of the City of Detroit’s renaissance. Her career goals include creating and managing a consulting firm which provides triple-bottom-line business strategies to start-up and early growth food-based businesses.

She is the Resource Coordinator with FoodLab Detroit, a role in which she advises and connects food entrepreneurs to resources to move their ideas/businesses forward. As a Fellow with the Green Garage, a midtown sustainable co-working space, she is working with a team to bring a triple-bottom-line good food market to the Cass Corridor area in Summer 2020. As a Fellow with the Center for Community-Based Enterprise (C2BE) she is charged with researching baby boomer businesses in the Live6 and Ave of Fashion and engaging them in success planning while building awareness to equity-building business models (worker-owner, cooperatives, etc.)

As a Board member of the Southeast Michigan Sustainable Business Forum (SMSBF) she brings her expertise in business concept ideation (for-profit, non-profit, social); brainstorming techniques, business model canvas, start-up and early growth business planning, and sustainable business planning.


Dylan J. DuVall

Board Member

Dylan is a graduate of the University of Detroit Mercy School of Law (J.D.) and Siena Heights University (B.A. – Business Administration). He is a partner at Hubbell DuVall, PLLC where he focuses on business law, estate planning and probate, social security disability, and worker’s compensation assisting clients with their transactional work and litigation needs. During law school Dylan interned for the National Wildlife Federation at the Great Lakes Regional Center in Ann Arbor, MI where he was first introduced to sustainability and had the opportunity to work on the Great Lakes Water Compact.

Dylan lives in Canton, MI with his wife Julia and two children. He enjoys hunting, fishing and habitat management as well as spinning (yes, on a spinning wheel) and weaving. He is a fan of the Celtic Soccer Club where his son plays and looks forward to his daughter playing with the club as well.


Natalie Jakub

Board Member

Natalie is a graduate of Eastern Michigan University where she holds a B.A degree with a concentration in Marketing and a Master’s degree in Social Foundations – Eco-Justice Education. After finishing her education, Natalie started as a Volunteer Coordinator at Green Living Science through the AmeriCorps VISTA program – spending two years building the organization’s database of volunteers. Natalie has progressed in her 7 years with Green Living Science, and now serves as the organization’s Executive Director. She is a certified TRUE Advisor – helping facilities achieve zero-waste. She assisted in the development of a program focused on helping businesses reduce their waste and establishing sustainable recycling programs. 

In addition to her role at Green Living Science, Natalie serves as the chair of the Recycling and Waste Reduction subcommittee with Detroit City Council’s Green Task Force influencing policy at a local level. She is also an active member of the Policy Subcommittee for the Michigan Recycling Coalition which focuses more on state legislation. Natalie is an alumna of the MSU Extension Great Lakes Leadership Academy - Leadership Advancement Program and a current participant of the Environmental Leadership Program.


Christopher Meincke, P.E., LEED AP

Board Member

Chris is a licensed professional engineer in the State of Michigan and a LEED Accredited Professional. He currently serves as a Project Manager and Project Engineer at GHD and has experience with a variety of environmental projects. Chris’ professional experience includes Phase I and II Environmental Site Assessments, assisting with major environmental remediation projects throughout Michigan, Ohio, and Indiana, due diligence, site investigations and remediation, RCRA corrective action, brownfield redevelopment support, feasibility and pilot studies, and construction management and sustainability-related building evaluations incorporating USBGC LEED rating systems. He is an active member in GHD’s Sustainable Solutions Group (SSG) and was GHD’s primary contact with the United States Green Building Council. Chris is also a member of GHD’s PFAS Steering Committee, participates in numerous industry-led PFAS work groups, and is a participant in the ASTM PFAS Workgroup in Committee E50 on Environmental Assessment, Risk Management and Corrective Action to evaluate standards related to PFAS. He is a board member and treasurer of the Southeast Michigan Sustainable Business Forum.

Chris holds a B.S.E. degree in Civil and Environmental Engineering from the University of Michigan and M.S. degree in Environmental Engineering from Vanderbilt University.


Mike Shesterkin

Board Member / Executive Director

Mike brings more than thirty years of industrial experience with him to SMSBF. He’s held positions from lab technician, to senior management with Fortune 500 corporations and large multi-nationals. While with AkzoNobel, Mike was instrumental in developing sustainable business strategies for the collision repair industry. After leaving the corporate world more than five years ago, Mike has dedicated himself to advancing triple bottom line – people, planet and profit – business practices within Southeast Michigan. 

Mike is excited to work with the SMSBF on advancing and growing the triple bottom line economy in SE Michigan. Amplifying and promoting the emerging network of businesses that are creating triple bottom line value is Mike’s passion. He’s excited to be part of this movement and serving the SMSBF. 

Mike holds an AAS degree from Ferris State College and a BS in chemistry from Lawrence Technological University. He also holds a professional certificate in sustainable business from Aquinas College.


Karen Tyler-Ruiz

Board Member

Karen Tyler-Ruiz serves as the second Executive Director of the Center for Community-Based Enterprise, Inc. (C2BE). C2BE supports the creation of people-centered businesses, cooperatives and worker-owned enterprises, that are owned and run by their members, who have an equal say in what their organization does and how it generates and uses profits. Tyler-Ruiz has spent the last 20 years of her career building practical frameworks and strategies in support of Detroiters and Metro Detroiters working and earning with dignity to support a
quality life for ourselves, our family and local community.

Tyler-Ruiz’s accomplishments include helping bring into existence the Greater Detroit Centers for Working Families – economically supporting the whole individual via upgrading skills to increase earnings; increasing individual savings to cover emergencies; accessing any benefits, public or private; and 1:1 financial coaching; all towards tangibly increasing income and assets. She grew the financial coaching model while leading the Financial Stability portfolio of grants at United Way for Southeastern Michigan. As the Executive Director of the Detroit Regional Workforce Fund, a public/private workforce-focused funders’ collaborative, she catalyzed the creation of a construction pre-apprenticeship program, Access for All, bringing together unions and philanthropy towards a shared outcome of getting more Detroiters into the unionized skilled construction trades. She is principal consultant of Tyler-Ruiz & Associates, LLC., is fully bilingual English-Spanish with significant international work and holds a B.A. from Grinnell College. Tyler-Ruiz completed the Landmark curriculum for Living in 2020. She is a 2017 Crain’s Leadership Academy Alumnus; and holds a Housing Finance Professional certification from the National Development Council.

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