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Hello from the Office of Enterprise Sustainability!


Larry Herke


Larry Herke serves as the Director of the Office of Enterprise Sustainability for the State of Minnesota. In that role he guides and supports 24 cabinet level agencies as they employ sustainable strategies to save money, conserve resources and improve the environment. Larry is committed to developing sustainable strategies that allow best practices to be shared between agencies while providing transparency to all Minnesota’s on how efficient their government operates.

Larry has recently retired as a Colonel after 31 years of service in the U.S. Army and the Minnesota Army National Guard where he last served as the Construction and Facilities Management Officer. In that position he was responsible for all real property improvements to include new construction, renovations, preventative maintenance and repairs. A major focus for Larry in this position was to employee sustainable strategies that would not only save money but it would improve resiliency of armories and training sites at Camp Ripley and Arden Hills. In 2015 the Minnesota Army National Guard was recognized by the Department of Defense as a leader in the nation for sustainable initiatives.

Larry is a graduate of Minnesota State University at Mankato where he holds a Bachelor’s of Science degree in Accounting and Masters of Arts in Public Administration.


Marcus Grubbs

Enterprise Sustainability Planner

Marcus is the Enterprise Sustainability Planner in the Department of Administration at the State of Minnesota, developing sustainability action plans for the operations of the State in the areas of Energy, Water, Procurement, Solid Waste, Fleet, and Greenhouse Gases, and assisting agencies in developing their sustainability plans.

Marcus was formerly the Coordinator for the New Agricultural Bioeconomy Project at the University of Minnesota, a Community Planner for the Headwaters Regional Development Commission, and has consulted on numerous sustainability related projects to help others understand technology, policy, and market forces important to their decision making.

Marcus has a Masters of Urban and Regional Planning from the Humphrey School of Public Affairs, a Bachelor’s in Environmental Studies from the University of Minnesota, Morris, has taken Master of Business Administration coursework at the Carlson School of Management, and is a member of the American Institute of Certified Planners.


Jordan Wente

Enterprise Sustainability Program Administrator
Jordan’s main duties pertain to data management, analysis, and the coordination of sustainability reporting across the 24 cabinet level agencies. In addition, he provides technical assistance and consulting on renewable energy and energy savings to the different state agencies. He recently moved back to Minnesota after finishing his graduate engineering degree in energy systems modelling at the Technical University of Denmark. Jordan is a 2014 Truman Scholar. He now lives in St. Paul, Minnesota. In his free time, he enjoys cross country skiing, hunting, and fermenting (sauerkraut, kimchi).
Photograph of  Jordan  Wente

Peter Louthan

Minnesota GreenCorps Member

Peter graduated from Emory University in May 2017 with a double major in Environmental Sciences and Psychology.  As a child he lived in four different states and three different countries, finishing high school in Gainesville, Florida.  Peter’s interest in sustainability evolved through a study abroad program in Freiburg, Germany (considered one of the “greenest” cities in the world) and a summer internship in Graz, Austria, where he worked for the regional government’s Department of Sustainability and Waste Management.  During his senior year at Emory he worked as a Sustainability Analyst Intern for the Sustainable Investment Group in Atlanta, tracking, verifying, and analyzing data to help clients with green building projects obtain LEED certification.  He also attained his LEED Green Associate accreditation.

A member of the Minnesota Green Corps this year, Peter is gaining new experience in energy management as part of the OES team.  Drawing from his work with sustainable building in particular, he is developing a retro commissioning program to increase the energy efficiency of state-owned buildings across the state of Minnesota.

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