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Our Team

The Martin Associates team is proficient and highly practiced in airport, maritime, shipyard and real estate economic planning and impact analysis.

Dr. John C. Martin, is president of Martin Associates, which he founded in 1986. He has provided economic, market and planning studies to most of the nation's seaports. He also provides ongoing economic and planning consulting services to terminal operators, ocean carriers, airports in the United States, and government agencies. Over the past 25 years Dr. Martin has conducted more than 500 economic, planning and marketing studies for seaports in the United States, Asia, Europe and South America.  He is involved in assessing the economic costs of terminal congestion at container terminals and of the West Coast Port shutdown. He also assesses the impact of restrictive trade policies on the marine transportation system.  Dr. Martin also prepares analysis for ocean carriers, marine terminal operators, airports and federal agencies in the United States and Canada.  He has conducted port studies for more than 20 ports in Canada, is the author of numerous articles and is a frequent lecturer on commodity flow forecasting and the economic analysis of ports and transportation systems.

Dr. Martin was the principal author of United States Economic Growth and the Marine Transportation System for the Marine Transportation System National Advisory Council. The report documented the economic value of the MTS and further identified the key constraints and issues facing the MTS.  The paper was presented to Vice President Cheney as well as Department of Transportation Secretary Mineta as a transition paper for the Bush Administration.

As principal author of the Economic Impact of Steel Imports on the Nation's Marine Transportation System, Dr. Martin documented the economic impact of the steel imports into the United States and identified the potential cost of steel import quotas. In January 2002 Dr. Martin testified before the Council of Economic Advisors and the International Trade Policy Council regarding the imposition of the steel import quotas. 

Dr. Martin has also prepared the economic analysis for the 1999 ILWU contract negotiations at the West Coast ports.  His reports were used by the Clinton Administration to “encourage” the discontinuation of work slowdowns by the ILWU at the Ports of Oakland and Los Angeles/Long Beach.

He was deeply involved in evaluating the economic impacts of the 2003 West Coast Port shutdown.  As part of the analysis, the Martin Associates economic impact models were reviewed and used by the U.S. Federal Reserve Board of Governors, the Bush Administration and the U.S. Council of Economic Advisors.  During the shutdown, he appeared on CNN, CNBC, the BBC, and NPR regarding the economic dislocations that occurred during and after the West Coast port shutdown. He is currently involved in assessing the potential impacts of various security measures imposed at U.S. port marine terminals.

He obtained a Doctorate in Economics from George Washington University, a Masters degree in Economics from the George Washington University and Bachelor of Arts (Cum Laude) in Economics from Millersville University. He has been providing consulting services to the maritime industry since 1974.

Contact John at 717-295-2428 or john@martinassoc.net


Mark Papineau is Director of Research with Martin Associates, and is a specialist in economic impact analysis, competitive market analysis, port pricing and vessel cost analysis. He has conducted analyses of the transportation infrastructure, inland access and overland transportation services for a number of U.S. ports. He was the principal researcher for the economic assessment of the Virginia cruise industry.  He has conducted economic impact studies at several of the leading U.S. ports. Mr. Papineau developed the Martin Associates’ barge, truck and rail costing models.  In addition, he has developed the inland transportation cost analysis.  

In January, 2002, Mr. Papineau appeared before the International Trade Council regarding the economic impact of steel import quotas.

Mr. Papineau holds a Bachelor of Science (Cum Laude) in Mathematics and Computer Science from the State University of New York Maritime College.

Mr. Papineau was the project manager of the Port of San Francisco Master Plan study and has directed the research efforts on all of our economic impact studies for more than 120 seaports. He has conducted analyses of the transportation infrastructure, inland access and overland transportation services for a number of US ports, including Port Everglades, Houston , Savannah , Baltimore , Philadelphia , Wilmington (NC), Morehead City , Oakland , Seattle , San Diego , Portland , Providence , Richmond , Longview , and Brunswick , as well as more than 20 ports in Canada

Mr. Papineau holds a Bachelor of Science (Cum Laude) in Mathematics and Computer Science from the State University of New York, Maritime College.  He also received a Third Mates License from the US Coast Guard.

Contact Mark at 717-295-2428 or mark@martinassoc.net


Michelle Wingenroth, a research associate with Martin Associates, is a specialist in economic impact analysis of seaports and airports.  She has conducted economic impact analyses for such ports as Seattle, Vancouver (WA), Oakland, Houston, Freeport, Corpus Christi, Baton Rouge, Baltimore, Wilmington (NC), Portland (OR), Wilmington (DE), San Francisco, Tacoma and the 16 major U.S. ports located on the Great Lakes. Ms. Wingenroth was the lead researcher on the economic impacts of the Port of Pittsburgh, which was awarded the nation’s top honor in research and economic impact studies by the American Waterway Operators Association.  In addition, she was the lead researcher on the Port of Greater Baton Rouge Master Plan Study, where she conducted a detailed market analysis of breakbulk cargoes, project cargo and forest product exports. 

Ms. Wingenroth holds a BS degree in Business Administration from Millersville University and has been with Martin Associates since 1993.

Contact Michelle at 717-295-2428 or michelle@martinassoc.net


Jeff Sweeney, a research associate with Martin Associates, is a specialist in strategic planning and economic impact analysis of seaports and airports and the development of strategic marketing plans for seaports. He has conducted impact studies for the Ports of Port Everglades, Jacksonville, Tampa, Houston, Corpus Christi, Tacoma, Vancouver (WA), Wilmington (DE), Oakland, Baltimore, Philadelphia, North Carolina and Portland (OR). Mr. Sweeney developed a detailed database of Western Pennsylvania breakbulk exporters and importers to determine the potential use of the Port of Erie. He was the lead analyst on the Port of San Francisco Study, where he coordinated more than 1,000 telephone surveys to estimate the impacts of each of the Port’s lines of business.

Mr. Sweeney was the lead analyst on the Port of San Francisco Economic Impact Study , where he coordinated all data collection activity.  More than 1,000 telephone surveys were conducted for the Port of San Francisco Study .  The impacts were estimated for each of the Port’s lines of business: marine cargo, fish processing and fishing fleet at Fisherman’s Wharf, cruise service, ferry/excursions, tourism/retail, film and TV production, office parks, industrial and miscellaneous construction activity.

Mr. Sweeney was the project manager on our master plan study for the Port of Burns Harbor, IN as well as our study of the establishment of a statewide port authority for the State of Michigan.  He also directed the Economic Impact Study and Strategic Marketing Plan for the Port of Chicago.  He directed the strategic planning study for the Port of Jacksonville and the Economic Impact Study for the Port of New Orleans and the Port of Tampa.  He has directed the bond justification studies for the Port of Jacksonville in support of the MOL/TraPac Terminal.

Mr. Sweeney has been with Martin Associates since 1994 and holds a BA in Economics from Millersville University.

Contact Jeff at 717-295-5483 or jeff@martinassoc.net


Mike Sarbaugh, a research associate with Martin Associates, assists in data collection tasks. He collected data for the demographic/enrollment studies conducted for the Hempfield School District and the Warwick School District. He developed demographic profiles and enrollment projections for Lancaster Country Day School, a private school in Lancaster County. In addition to the demographic/enrollment studies, he has participated in data collection efforts for both the seaport and airport activities in Seattle (Port of Seattle and Seattle/Tacoma International Airport). He has participated in a seaport study at the Port of Houston and airport studies at the Baltimore/Washington International Airport, Portland International Airport and Hartsfield Atlanta International Airport. 

Mr. Sarbaugh was the lead analyst on the Economic Benefits Analysis of the Maintenance Dredging of the C&D Canal connecting the Delaware and Chesapeake Bays.  He was the lead analyst on the Economic Impact Study for the Port of Tacoma and directed the Port of Portland and Port of Vancouver (WA) economic impact studies, as well as the economic impact studies of the North Carolina State Port Authority marine activity.  He was also lead economist on several channel deepening studies for the Ports of Beaumont, Port Arthur and Brownsville, TX.  

Mr.Sarbaugh is a graduate of Gettysburg University with a Bachelor of Art in Business Economics. He worked as an intern for two years conducting data collection and began working with Martin Associates full time in May, 2003.

Contact Mike at 717-295-5483 or mike@martinassoc.net


Becky Polito, is the Office Administrator for Martin Associates.  She maintains and oversees all daily activity at Martin Associates, including communication with clients.  She also coordinates office events and the infrastructure of the office.

Ms. Polito holds a Bachelor of Arts in English from McDaniel College (formerly Western Maryland College) and has been with Martin Associates since 2004.

Contact Becky at 717-295-2428 or becky@martinassoc.net