Staff Directory

The Great Lakes Commission is supported by a professional staff with offices in Ann Arbor, Michigan.


Executive Director

glcstaff-photo-timeder1-2015Tim A. Eder
Executive Director

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Tim Eder was appointed as the fifth executive director of the Great Lakes Commission on July 10, 2006. With more than 25 years of experience in natural resources policy development and advocacy, Eder is in charge of the Commission’s day-to-day operations and advancing the shared interests of the Commission membership in the areas of natural resources management and advocacy.

In nearly two decades with the National Wildlife Federation (NWF), Eder has headed a variety of programs that directly relate to Great Lakes issues. As NWF director of water resources, he led the formation of a nationwide coalition of taxpayer and conservation interests that forged bipartisan support in the U.S. House and Senate for legislation to protect and restore aquatic habitat. Prior to that, he served as director of the NWF’s largest field office, the Great Lakes Natural Resource Center, dedicated to educating, mobilizing and assisting individuals and organizations in the protection and restoration of the Great Lakes.

As a regional executive with NWF in the 1990s, he represented the organization’s views before Congress, agencies, other opinion leaders and the media. He also coordinated and led a 10-year federal and multistate campaign to develop and adopt uniform pollution control standards to implement the purposes of the U.S.-Canadian Great Lakes Water Quality Agreement.

Eder has served on the boards of the Great Lakes Fishery Trust, the Washtenaw County (Mich.) Road Commission, the Michigan League of Conservation Voters, the Michigan Aquatic Nuisance Species Advisory Council, and the Aquatic Invasive Species Team of the Great Lakes Regional Collaboration. He holds a Bachelor of Science Degree in Resource Development from Michigan State University.

About Tim A. Eder



glcstaff-photo-stephencole1-2015Stephen J. Cole
Chief Information Officer

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Steve Cole is chief information officer of the Great Lakes Commission. As a member of its senior management team, Steve leads the Great Lakes Commission’s information management and delivery services. This includes leadership of the Great Lakes Blue Accounting initiative, a basin-wide information strategy that builds upon and complements the extensive data collection programs in place across the Great Lakes.

Prior to joining the Great Lakes Commission, Steve enjoyed a series of successful executive positions in the private sector creating and managing information services and technology businesses from start-up to market leadership. He was formerly chief marketing officer and senior vice president at Gladson, which provides information services to the consumer packaged goods industry. Prior to that Steve was senior vice president for technology and strategy at Click Commerce, a publicly-traded supply chain software company which was acquired by Illinois Toolworks in 2006.

About Stephen J. Cole


glcstaff-photo-tomcrane1Thomas R. Crane
Deputy Director

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Tom Crane joined the Commission staff in 1986 and has more than 30 years of Great Lakes research/policy experience. Since 2008, Crane has held the position of deputy director of the Commission. As such, he is responsible for a variety of administrative, financial and programmatic functions within the organization. Crane also served as interim executive director (2005-2006), resource management program manager (1990-2004; 2006-2008) and natural resources program specialist (1986-1990). Crane has program development, staff oversight and co-management responsibilities for numerous distinct projects including the Great Lakes Basin Program for Soil Erosion and Sediment Control, the Great Lakes Tributary Modeling Program and the Great Lakes Regional Water Use Database.

Crane has also served as a member of the Michigan Sea Grant Policy Committee, the Great Lakes Regional Collaboration Nonpoint Source Strategy Team, the International Joint Commission’s Advisory Group on the Great Lakes Water Quality Agreement Review Public Consultations, and the Great Lakes Futures Roundtable. He was founding member of the Michigan State Section of the American Water Resources Association (AWRA) and served terms as board secretary and board treasurer with the organization.

Before joining the Commission, Crane’s previous work included positions with the Great Lakes Basin Commission, NOAA’s Great Lakes Environmental Research Laboratory and several years of NGO experience in Virginia and Missouri where Crane directed two citizen environmental groups. Crane holds a Bachelor of Science Degree in Natural Resources and a Master of Science Degree in Water Resources Management from the University of Michigan.

About Thomas R. Crane


glcstaff-photo-mattdoss1-2014Matt Doss
Policy Director

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Matt Doss directs the Commission’s policy and advocacy program, including developing its annual federal priorities and managing relations with Congress and federal agencies. He tracks federal legislation related to the Great Lakes and appropriations for Great Lakes programs. He oversees preparation of policy resolutions and coordinates the Commission’s engagement with several large-scale regional programs, including the Great Lakes Restoration Initiative.  Doss also supports the Commission’s work on restoring Great Lakes Areas of Concern; preventing the transfer of Asian carp and other invasive species through Chicago area waterways; restoring fish and wildlife habitat; and strengthening the Great Lakes navigation system.

Prior to joining the Commission Doss worked for a member of Congress in Washington, D.C., and for a private environmental consulting firm in San Francisco. He has bachelors’ degrees in political science and history from Kalamazoo College.

About Matt Doss


glcstaff-photo-victoriapebbles1-2015Victoria Pebbles
Program Director

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Victoria Pebbles is a program director with the Great Lakes Commission where she manages and facilitates multi-disciplinary project teams to analyze information, build consensus and develop policy solutions to address complex ecological and related socio-economic issues, including clean energy, climate change, water resource management, habitat conservation, land use, and coastal management. She has published dozens of articles and technical reports, delivered copious presentations, and served on and facilitated numerous multi-stakeholder project teams and task forces.

Before joining the Commission, Ms. Pebbles held positions with the University of Michigan, the U.S. Senate, and the U.S. Environmental Protection Agency. Ms. Pebbles earned her undergraduate degree with honors from the University of California Santa Cruz and holds a master’s degree from the University of Michigan. She has worked at the Great Lakes Commission since 1993.

About Victoria Pebbles


Program Staff

glcstaff-photo-lauraandrews1-2014Laura Andrews
Design Manager

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Laura Andrews is responsible for developing and maintaining attractive and effective designs for a selection of Commission publications and educational/promotional materials.

Prior to joining the Commission, Laura worked as a senior designer at an award-winning design firm in south Florida, specializing in food and beverage package design. She also worked as an advertising account executive with a top international agency in Chicago, and as a project manager for a global business consulting firm. Laura’s design work has earned multiple honors from AIGA, the professional association for design, and her designs can be found on retail products and in publications worldwide.

Laura holds a Bachelor of Science in Civil and Environmental Engineering from the University of Michigan, as well as a Bachelor of Fine Arts in Design and Visual Communication from the Illinois Institute of Art-Chicago.

About Laura Andrews


davidbetcher1David Betcher
GIS Program Specialist

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Bio coming soon!

About David Betcher


glcstaff-photo-heatherbraun-2015Heather Braun
Senior Project Manager

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Heather Braun joined the Commission in 2009 as the habitat restoration project manager. She supports the Commission’s role in advancing habitat restoration throughout the Great Lakes basin and currently manages several habitat restoration projects.

Prior to joining the Commission, Heather spent almost a decade as a regional biologist for Ducks Unlimited, Inc., in Ann Arbor, MI. She has also worked for the Texas Parks and Wildlife Department and Ducks Unlimited, Canada. Heather grew up in Winnipeg, Manitoba, Canada and attended the University of Manitoba. She holds a Master of Science Degree in Natural Resources Management focused on wetland restoration and wildlife management, and a Bachelor of Arts Degree in Psychology and Zoology.

About Heather Braun


glcstaff-photo-sarahcook-2015Sarah Cook
Program Specialist

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Bio coming soon!

About Sarah Cook


glcstaff-photo-ldenys1-2014Lisa Denys
GIS Program Specialist

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Bio coming soon!

About Lisa Denys


glcstaff-photo-katherinehollins-2015Katherine Hollins
Program Specialist

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Bio coming soon!

About Katherine Hollins


glcstaff-photo-erikajensen1Erika Jensen
Project Manager

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Erika Jensen is the aquatic invasive species project manager. She serves as coordinator for the Great Lakes Panel on Aquatic Nuisance Species, providing strategic, administrative and programmatic support. She also provides staff support to the Invasive Mussel Collaborative and works with a variety of partners while managing other AIS projects focused on invasive species pathways including organisms in trade, ballast water and interbasin transfer of AIS. She has a master’s degree in environmental management from Duke University, a bachelor’s degree from Michigan State University.

About Erika Jensen


glcstaff-photo-mleduc2-2014Michèle Leduc-Lapierre
Program Specialist

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Michèle Leduc-Lapierre joined the GLC staff in September of 2013 as the Government of Quebec intern for a six-month internship. She has been a program specialist at the GLC since April of 2014. She holds a master’s degree in wildlife management and a bachelor’s degree in biology. She has been working on crude oil transportation, on the Great Lakes Dredging Team, the Great Lakes Tributary Modeling Program, The Lower Fox Demonstration Farms Network and the Great Lakes Information Network.

About Michèle Leduc-Lapierre


glcstaff-photo-jeffmcaulay1Jeff McAulay
Web Development Manager

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Jeff McAulay is responsible for web programming and application development for the Great Lakes Commission. He maintains and updates current web applications as well as creating new ones.

Before coming to the Commission, Jeff spent years programming online currency exchange applications for North America’s largest independent foreign exchange dealer. If you exchanged currency online between 2002 and 2009, there’s a good chance you used Jeff’s code. Jeff has taught web coding full time at Washtenaw Community College, and continues to teach part time in the evenings. Jeff has a Bachelor of Science Degree in Computer Science from Lake Superior State University.

About Jeff McAulay


glcstaff-photo-garyovermier1Gary Overmier
Senior Project Manager

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Gary Overmier is a project manager overseeing activities related to the Great Lakes Basin Program for Soil Erosion and Sediment Control.

Gary comes to the Commission with a wealth of experience in areas related to agriculture, erosion control and nonpoint source pollution issues. He was a long-time employee with the U.S. Department of Agriculture-Natural Resources Conservation Service (USDA-NRCS) in Ohio. Overmier also served as the Assistant Director of the University of Toledo’s Legal Institute on the Great Lakes and most recently was serving as a redevelopment specialist for the City of South Bend, Indiana.

Gary earned bachelor’s and master’s degrees from Ohio State University and also received a law degree from the University of Toledo College of Law.

About Gary Overmier


comingsoonGreg Parrish
Senior Project Manager

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Bio coming soon!

About Greg Parrish


glcstaff-photo-michaelschneider1Michael Schneider
Senior Program Specialist

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Michael Schneider is assisting with the Great Lakes Basin Program as well as collecting and mapping economically and environmentally sensitive data for the area contingency planning project. Schneider has a broad background in government operations and regional planning initiatives.

About Michael Schneider


glcstaff-photo-guanwang1Guan Wang
Senior GIS Developer

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Guan Wang supports Commission staff, local, state and federal agencies and related partners on various projects requiring geographical information system (GIS) programming, analysis and product development, including web mapping applications covering the Great Lakes – St. Lawrence River basin. His responsibilities also include application/database development and GIS support for air toxics emission datasets, emergency response plans, contaminated sediment analyses, aquatic invasive species control and related biologic, chemical and physical monitoring programs.

Before joining the Commission, Guan worked as a GIS developer at the Institute for Geospatial Research & Education at Eastern Michigan University.

Guan holds a Master of Science in Geographic Information Science from Eastern Michigan Univeristy. He also has a Master of Engineering in Chemical Engineering from Tianjin University in China.

About Guan Wang


glcstaff-photo-bethwanamaker1-2016Beth Wanamaker
Communications Manager

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Beth Wanamaker leads communications for the Great Lakes Commission, supporting individual projects, advocacy and outreach, and the Commission’s overarching regional mission and mandate. Beth previously served as press secretary for U.S. Senator Mark R. Warner, where she managed media relations and digital outreach, securing state, national and international media coverage and developing innovative social media and e-marketing campaigns. Prior to that position, Beth managed digital communications for the Government Accountability Project, a nonprofit dedicated to protecting the rights of whistleblowers.

Beth is a proud graduate of the University of Michigan and holds a master’s degree in multimedia journalism from Boston University.

About Beth Wanamaker


comingsoonMark Yoders
GIS Technician

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Bio coming soon!

About Mark Yoders


glcstaff-photo-nicolezacharda1-2016Nicole Zacharda
Project Manager

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Nicole Zacharda joined the Commission staff as a project manager after nearly 16 years working in water enforcement for the Michigan Department of Environmental Quality. As part of her role, Nicole coordinates the Commission’s nonpoint source pollutant reduction project portfolio. She’s a proud MSU Spartan adjusting to life in Wolverine country with her fiancé and two mostly-charming cats.

About Nicole Zacharda


Administrative Staff

glcstaff-photo-joebertram1Joe Bertram
Financial Operations Manager

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Joe Bertram is the Great Lakes Commission’s manager of financial operations. Most recently, Joe served as accounting director for the Metropolitan Consolidated Association of Realtors (MCAR), a real estate trade organization that promotes education, professional/ethical standards and political advocacy for agents and brokers in Oakland and Macomb counties. Bertram holds a bachelor’s degree in accounting from Michigan State University and an M.B.A. in finance from Oakland University.

About Joe Bertram


glcstaff-photo-patgable1Pat Gable
Administrative Assistant

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Pat serves as the Great Lakes Commission’s administrative assistant. Previously, Pat worked as a medical secretary and an office manager in a private school. Pat has completed coursework in business management and tax preparation.

About Pat Gable


glcstaff-photo-laurakaminski-2015Laura Kaminski
Grants and Contracts Manager

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Laura Kaminski joined the Commission in 2002 and is the grants and contracts manager. In this role, Laura manages several pass-through funding programs and contributes to the Commission’s financial and operations management through budget oversight, internal grant and contract coordination, financial and compliance reporting, and preparation of the Commission’s annual organizational indirect cost rate proposal to the federal government. Laura also supports the Commission’s program development efforts through the development of budgets and formulation of requests for funding to public and private funding sources. She also provides staff support to a number of the Commission’s water quality and nonpoint source pollution programs. Laura holds a Master of Science in resource policy and an M.B.A. in nonprofit management from the University of Michigan.


About Laura Kaminski


glcstaff-photo-mmorrice1-2014Marty Morrice
Systems Administrator

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Bio coming soon!

About Marty Morrice


Research Associates and Fellows

glcstaff-photo-melanieadam1-2015Melanie Adam
Great Lakes Commission Intern

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Bio coming soon!

About Melanie Adam


glcstaff-photo-sammolnar-2015Sam Molnar
Sea Grant Fellow 2015

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Bio coming soon!

About Sam Molnar


Interns and  GLC Contractors

James Baumann
Water Quality and Ecosystem Health – Fox P Trade

Daniel Faghihnia
Michigan Clean Water Corps (MiCorps)

John Hummer
Lake Michigan Nearshore Monitoring

John Jackson
Water Resources Management – Greater Lakes

Dave Knight
Great Lakes Dredging Team and Special Projects

Devra Polack
Web Design and Communications Support

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