Phone: 603-778-0885
Fax: 603-778-9183


Cliff Sinnott, Executive Director

Cliff is the Executive Director of the Rockingham Planning Commission, a position he has held since 1988. As Executive Director Cliff has overall management responsibility for the agency and provides oversight and direction for the agency’s planning activities. Cliff works extensively with RPC Commissioners, the Executive Committee and other committees in setting the agency’s policies and work priorities. He received his undergraduate degree from St. Lawrence University and attended the Masters of Regional Planning program at the University of Massachusetts at Amherst. Cliff resides in Exeter, just up the road from the RPC office.

Glenn Greenwood, Assistant Director

Glenn has been a planner at RPC since 1987, and has served as the Assistant Director since 1996. His predominant responsibilities at the RPC is land use planning, regional impact projects, and serving as the circuit rider planner for Brentwood and Kingston. Glenn has extensive experience in the municipal planning, site plan review and land use regulatory arenas. Development reviews, master plan preparation, capital improvements programming, municipal technical assistance are primary areas of specialty. Glenn has a Bachelor’s degree from Eisenhower College, and Master’s degree in Urban and Regional Planning from San Jose State University, CA. Glenn lives with his family in Kensington, NH

Annette Pettengill, Business Manager

Annette has been with the RPC since 1986. She is responsible for maintaining and monitoring the Commission’s financial, accounting, payroll, personnel and benefits, and grants and contracts, in addition to providing administrative support to the Executive and Assistant Directors and commissioners. Annette has an ABS in Travel & Tourism/Secretarial Management and also has her NH Real Estate license.Annette grew up in the region and currently resides in Newfields.

Roxanne Rines, Office Administrator

Roxanne has been the Office Administrator for 17 years. Her responsibilities include general office duties along with support for the Transportation and Land Use Departments as well as several other committees. Previously, she attended and transcribed minutes for the Town of Madbury’s Planning and Zoning Boards and worked as the Planning and Zoning Secretary for the City of Somersworth. Roxanne is a lifelong resident of the Seacoast area and lives with her family in Madbury, NH.

David Walker, Transportation Program Manager

David received a B.A. in Political Science from the University of Vermont and a Masters in Urban and Regional Planning from the University of Hawaii. He joined the Rockingham Planning Commission in 2000, and was promoted to the Transportation Program Manager in 2010. Primarily Dave works on the development and management of the Unified Planning Work Program (UPWP), agency transportation planning documents such as the Long Range Transportation Plan and Transportation Improvement Program (TIP), strategic documents such as the Congestion Management Process (CMP) and corridor studies, and technical assistance to communities in the region. Dave lives in Exeter with his wife and three children.

Scott Bogle, Senior Transportation Planner

Scott is a Senior Transportation Planner with the Rockingham Planning Commission, where he works with municipalities, transit agencies, human service transportation providers, and other partners at the local, regional and state level to expand access to community transportation, and safe accommodation for bicycling and walking. Prior to joining the staff at RPC in 2001, he worked for the University of Hawaii Sea Grant Extension Service and the National Park Service. He holds a Bachelor’s degree from Brown University, and a Masters of Community and Regional Planning from the University of Oregon. He lives in Durham, and outside of work can be found bicycling or hiking with his family, rowing or building furniture.

Robert Pruyne Jr., GIS Specialist

Robert has been at the RPC since 2002, and serves at the GIS Specialist and IT person. He obtained his B.S. from Skidmore College in environmental planning and studied Civil and Environmental Engineering at the University of Massachusetts. He earned his professional GIS certification (GISP) in 2009. Robert has served on several public boards in Newmarket including the CIP, Conservation Commission, Open Space Commission and chaired the Planning Board. Additionally, Robert has served on the Board of Directors for Lamprey River Watershed Assoc. (LRWA) and the New England Chapter of URISA (NEURISA).

Christian Matthews, Transportation/GIS Analyst

Christian joined RPC in early 2017 as the Transportation/GIS Analyst. He obtained his B.A. in Geography from the University of Vermont and is currently enrolled in the GIS for Sustainability Management Master's program at the University of Washington. He has previously worked for the National Park Service, Bureau of Land Management, and in the oil and gas industry.

Julie LaBranche, Senior Planner

Julie is a Senior Planner with 16 years of planning experience with particular interest in climate change planning which she began while employed by the State of Maryland and as chair of the Chesapeake Bay Program Climate Workgroup (1999-2005). She is a native of seacoast New Hampshire, an avid gardener and supporter of the local agriculture and food scene. Her work in the region includes assisting communities with: development of Master Plans and policies; zoning ordinances and regulations relating to land use, natural resource protection, climate change, energy, and stormwater management; and integrating land use and transportation planning concepts. Julie participates as a member of the NH Sea Grant Policy Advisory Committee, the NH Coastal Adaptation Workgroup, and Vice President of Northern New England Chapter of the American Planning Association (2009-2015). She holds a BS in Geological Sciences from Salem State College, MA and a MS in Earth Sciences-Geology from Montana State University, Bozeman.

Jennifer Rowden, Senior Planner

Jenn has been a land use planner at RPC since 2013. Currently, Jenn serves as the circuit rider planner for Fremont, North Hampton and Newton, coordinates the Regional Stream Crossing Assessment project, and is involved in multiple land use projects at the RPC. Previously, Jenn worked at NHDES for five years on a variety of watershed and drinking water protection efforts. At NHDES, she served as staff to the N.H. Rivers and Lakes Management Advisory Committees, N.H. Flood Commission and N.H. Water Sustainability Commission. She completed her undergraduate work in Political Science and graduate work in Natural Resources at UNH. Jenn lives with her husband and daughter in Epping, N.H

Glenn Coppelman, Consultant Planner

Glenn has been consulting with RPC as a circuit rider planner since 2014, and specializes in advising communities, non-profits and businesses in the areas of planning, economic development, grant writing and strategic initiatives. Previously, Glenn was the Economic Development Director for the NH Community Development Finance Authority (CDFA). Glenn earned his Bachelor’s degree from Framingham State College, and his Master’s in Resource Administration and Management from the University of New Hampshire. Glenn has served as Kingston’s representative to RPC since 1985, and has served as the Chairman of the Commission for four terms over the past 30 years. Glenn lives in Kingston, NH where he serves on multiple town boards and grows Christmas trees.

Theresa Walker, Consultant Environmental Planner

Theresa is a consulting planner for the RPC and has worked with the agency since 2001. She works with municipal officials on a wide variety of projects, including natural hazard mitigation planning, water quality and wildlife habitat protection, natural resource inventories, and the retention of the region's working landscape of farms and forests. Theresa has a BS from the University of Delaware, a Masters in Land Use from College of Environmental Science and Forestry at SUNY Syracuse. Theresa and her family live in Durham.