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James W. Sewall


Sewall Forestry expands economics and appraisal staff

Sewall is pleased to announce the expansion of its forest economics and valuation capacity through staff expansions in the US South and Northeast.

Gary Mullaney, Forest Economist and Director, Systems.  After graduate studies in forest economics at Duke University, Gary worked in the forest products industry (MeadWestvaco) for 27 years, where his responsibilities included GIS and information systems, long-term wood supply planning, financial modeling, and environmental and regulatory compliance.  After joining Sewall in 2006, he served as Director, Systems, helping Sewall to expand its geospatial and information systems offerings for forestry, municipal, and energy sector clients.  Effective September 2012, Gary’s role extends to leading Sewall’s southern forestry consulting services.  He will oversee and augment appraisal services, and serve as a project leader and consultant for forest economics and fiber supply studies on behalf of Sewall clients.  Gary brings tested leadership and unique technical skills to the team.  He is based in Charleston, South Carolina, and can be reached at 843-834-1710;

Dan McConville, Senior Consultant.  Dan McConville comes to Sewall's Forestry & Natural Resource Consulting group from Prentiss & Carlisle in Bangor where, since 2005, he led P&C's valuation services, conducted feasibility studies for the forest industry, assisted with forest inventory, and assisted in management efforts for over 1.3 million acres of forestland, including forest planning and modeling, highest-and-best-use analysis, developing silvicultural guidelines, and documentation for Forest Stewardship Council (FSC) green certification.

From 2000-2005 Dan worked for the University of Maine Cooperative Forestry Research Unit where he conducted applied research in silviculture and forest management, and managed communications.  From 1998-2000 he conducted research in forest management technology for the Joseph W. Jones Research Center in Newton, GA.  Dan holds a BA from Middlebury College and a MS in Forestry from the University of Maine.  He is a Faculty Associate at the University of Maine School of Forest Resources.

Dan brings to Sewall a multi-disciplinary background that he will apply to forestry and natural resource valuation and forest economics studies on behalf of a broad range of Sewall clients across the nation, including the US South, and internationally.  He is a certified general appraiser, increasing the number of certified appraisers at Sewall to five.  Dan is based in Old Town, Maine, and can be reached at 207-827-4456;

About Sewall:  Established in 1880, Sewall performs valuation and due diligence for forest owners and investors throughout North America and around the world, serving clients on six continents.  Other services of the Natural Resource & Forestry Consulting group include forest inventory, growth and yield modeling, harvest scheduling, GIS analysis, economic and resource studies, litigation support, forest management auditing, and client training.  Sewall also provides civil, structural, traffic and environmental engineering, surveying, and a full range of GIS mapping and consulting services to government and industry. For more information, please visit or contact: Bret Vicary, PhD, MAI, CGA, Vice President, at 207-827-4456;


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