Team Bios

Meet the GreenMark Team

With a natural combination of their last names and nearly a decade as colleagues serving the green industry, Cynthia Greenwood and Sue Markgraf began GreenMark Public Relations™ to serve clients dedicated to growing the country’s many green spaces, places and issues. As long-time associates in the green industry, Cynthia and Sue are seizing a history of green teamwork that ensures the right mix of media and public relations skills and knowledge. Their combined 50 years of experience plus their individual passions for gardening and environmental issues provide exceptional ROI for their clients.

Sue Markgraf, President & Co-Founder
Cynthia Greenwood, Executive Associate & Co-Founder
Cathy Sivak, Media & Public Relations Senior Associate
Beth Burdin, Marketing Communications Senior Associate
Matt Markgraf, Internet & Viral Communications Associate
Megan Wittenberger, Public Relations Associate
Sharon Hentsch, Business Administrator

“GreenMark is both professional and compassionate. They really ‘get’ where you’re coming from. Empathy with your situation gets client and firm on the same page from the start.” - Dan Billings, president, ReadyScape Products