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  • About Rock Creek Conservancy


Matthew Fleischer, Executive Director


Matthew Fleischer was appointed as Executive Director/CEO of Rock Creek Conservancy in early 2014. He is dedicated to revitalizing the national treasures of Rock Creek Park - one of the largest Metropolitan parks in the world - and restoring its watershed so that present and future generations can enjoy this natural haven.

Matt brings a new energy to the Conservancy. He understands the value of partnerships, and his vision is that the Conservancy, along with other non-profits, government agencies, businesses, and the surrounding community, will together preserve the lands and waters of Rock Creek. Under Matt's leadership, the Conservancy continues to thrive, expanding its donor base and increasing its impact.

Matt holds a BA in American Studies from the University of Mary Washington and an MBA from the University of Maryland, Smith School of Business. Before his time with the Conservancy, he served as President/CEO of Hook & Ladder Brewing Company, a mission-based business he launched and grew to $7 million in revenue. Hook & Ladder donated a portion of every sale to a local firefighter burn foundation and hospital burn centers across the country. Matt also sat on the board of the Hook & Ladder Firefighter Burn Foundation, and was named one of the top 35 entrepreneurs under 35 in the Washington, DC area by BisNow.

An avid outdoorsman and nature lover, Matt can be found walking the trails of beautiful Rock Creek Park on any given weekend. He also enjoys hiking and backpacking in the wilderness, and the two months he spent backpacking through British Columbia and Alaska is one of his fondest memories. 

Matt lives with his wife, Sarah, their two young sons, and a beloved family dog in Kensington, MD, just outside the Park.

Kevin Wheeler, Executive Vice President

Kevin Wheeler


Kevin joined Rock Creek Conservancy as Executive Vice President in the fall of 2016. 

Previously, Kevin was Vice President and Director for the Consortium for Ocean Leadership, where he led advocacy efforts on behalf of the academic ocean research community. He also directed public relations and communications efforts for the organization’s science programs, which exceeded $200 million annually.

Wheeler also served as Director of Federal Relations for Brown University, worked on the Science Committee for the U.S. House of Representatives, served as Special Assistant to the Director of the National Institute of Environmental Health Sciences, and worked on Capitol Hill as Press Secretary and Legislative Assistant to Congressman Sherwood Boehlert.

Wheeler holds advanced degrees in Environmental Management and Public Administration from Duke and Binghamton Universities, respectively. 

Sarah Mitchell, Director of Development


Sarah joined Rock Creek Conservancy in November of 2012. She completed her Bachelor’s degree at Macalester College in St. Paul, Minnesota. She has worked in marketing, event planning, and fundraising at The Nature Conservancy and Greenpeace as well as the Autism Society. As a native of the Washington, DC area, she grew up near Rock Creek and is having a great time introducing her children to it.

Anne Baker, Communications Manager

Email: abaker@rockcreekconservancy.orgAnne Web

Anne joined Rock Creek Conservancy in April 2016. Originally from Asheville, North Carolina, she holds undergradute degrees in journalism and technical photography from Appalachian State University and a graduate degree in English from Western Carolina University. Previously, she worked as a public relations and social media specialist for the Appalachian Trail Conservancy in Harpers Ferry, West Virginia.

Anne loves the outdoors, and is an avid hiker and backpacker. She currently lives in Martinsburg, West Virginia, with her English Shepherd, Bella. 

Erica Carlsson, Program Coordinator- Youth, Education, Health


Erica began working at Rock Creek Conservancy in October of 2015. In this position, she is able to connect people with the natural world in meaningful ways that empower self-improvement and environmental conservation. She joined us from The Exotic Plant Management Team for the National Capital Region of the National Park Service. Previously held positions include Interpretive Ranger at Mount Saint Helen's National Monument (Forest Service), Mount Hood Community College (Youth Conservation Corps) Leader, and Graduate Research Scientist with the University of Florida-Geography Department. She is an experienced outdoor educator, who loves hiking, canoeing, and tackling challenge course                                                 elements in her free time.

Sherri Hammerman, Administrative Assistant


Sherri Hammerman joined Rock Creek Conservancy as Administrative Assistant in April 2014. She has a degree in journalism from the University of Georgia and previously worked as a graphic artist at Fahlgren Advertising, USA TODAY and American University, and also taught early childhood music in Bethesda. Sherri enjoys running on the trails near Meadowbrook Park.