President

Robin Ennis, Chief, Collections Section
Montgomery County, Solid Waste Division
101 Monroe Street
Rockville, MD 20850
Tel. (240) 777-6401

Vice President

Robin M. Roddy, P.E., BCEE
Delaware Solid Waste Authority
1707 East 12th Street
Wilmington, DE 19809
Tel. (302) 764-5385

Secretary

Dana Murray, P.E.
Project Manager
SCS Engineers
1120 Roger Bacon Drive
Reston, VA 20190
Tel. (703) 471-6150

Treasurer

Steven G. Tomczewski
Executive Director, Environmental Operations Group
Maryland Environmental Service
259 Najoles Road
Millersville, MD 21108
Tel. (410) 980-6307

Past President

Stephen G. Lippy, P.E., DEE
Refuse Disposal Chief
Bureau of Solid Waste Management
Baltimore County, Department of Public Works
111 West Chesapeake Avenue, Room 225
Towson, MD 21204-4603
Tel. (410) 887-2009

Chapter Director

Douglas E. Sawyers, P.E., BCEE
Vice President
Malcolm Pirnie, Inc.
3101 Wilson Boulevard, Suite 550
Arlington, VA 22201
Tel. (703) 351-9100

Directors

Peter Bieniek, Chief
Cecil County, Solid Waste Division, Central Landfill
758 East Old Philadelphia Road
Elkton, MD 21921
Tel. (410) 996-6275

Niti Blackwell, P.E.
Bureu of Environmental Services
Howard County, Department of Public Works
6751 Gateway Drive, Suite 514
Columbia, MD 21046
Tel. (410) 313-6418

Hallie Clemm
DC Department of Public Works
2750 South Capitol Street, SE
Washington, DC 20032
Tel. (202) 645-4301

Linda Currier
Solid Waste Operations Administrator
Anne Arundel County, Department of Public Works
Waste Management Services
389 Burns Crossing Road
Severn, MD 21144-3411
Tel. (410) 222-6108

Mark Gutberlet
EA Engineering, Science & Technology
15 Loveton Circle
Sparks, MD 21152
Tel. (410) 771-4950

Stephen Lezinski
Engineer III
Montgomery County, DEP/DSWS
Processing Facility & Transfer Station
16101 Frederick Road
Derwood, MD 20855
Tel. (240) 777-6590

Jessica Martin
Tenax Corporation
4800 East Monument Street
Baltimore, MD 21205
Tel. (410) 522-7000

Carrie Pendleton
Geosyntec Consultants - MD
10015 Old Columbia Road, Suite A-200
Columbia, MD 21046
Tel. (410) 381-4333

Mehal Trivedi
Engineer II
Frederick County
Operations & Maintenance Division
7303 Marcie's Choice Lane
Frederick, MD 21704
Tel. (301) 600-3043