Board and Staff
Board and Staff
Dave DeAngelis – President and Executive Committee Chair
Dave is a graduate of the University of Illinois-Chicago with a Bachelor of Science degree in Chemical Engineering and is the owner of Urban Services L.L.C. based in Grayslake, Illinois. Previously, Dave was a Strategic Adviser in the Profit Enhancement Solutions group in Madison, Wisconsin, providing his expertise to private companies and corporations throughout North America, South America and Europe. Over the past 30 years, Dave has acquired a broad range of business, engineering and product development experience working in a variety of industries and corporate roles for Illinois Tool Works, Danaher, Abbott Laboratories and Nalco Chemical Company.
Bill Huxhold – Interim Vice-President and Secretary
Bill retired from the University of Wisconsin – Milwaukee where he was the Chair of the Department of Urban Planning. He taught courses on geographic information systems since 1988 and administered the university’s GIS Certificate program since 1993. His primary research interests involved institutional adoption of GIS technology in public agencies and urban neighborhood improvement through GIS applications.
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Tom Herbstritt – Treasurer
After graduating from the University of Notre Dame, Tom worked as an auditor and consultant with KPMG’s Chicago office. Since that time, Tom has worn a number of career hats, including as a member of the Chicago Board of Trade, as trader for his own account and as a broker for public customers. After hanging up that hat after fifteen years, he was Chief Financial Officer for a proprietary options and equities trading firm at the Chicago Board Options Exchange. During that same time, having prepared various tax returns on a freelance basis for a law firm specializing in taxes for fifteen years, in 2006 he began preparing tax returns on a full time basis for that firm. In addition to that work, Tom is a compliance consultant for two proprietary trading firms at the Chicago Board Options Exchange. He became a member of the Board of the Kettle Moraine Land Trust in 2012, where he hopes to be able to provide some assistance in the area of the land trust’s finances.
Justin DeAngelis – Director
Justin, an attorney, is a lifelong summer resident of Lauderdale Lakes and is passionate about conservation and KMLT’s mission. He brings strong organizational leadership, public speaking, legal advocacy and journalism skills to the board, as well as a broad range of experience with public policy, risk management, strategic planning and fundraising.
Justin graduated from UW-Madison and IIT’s Chicago Kent College of Law. His practice focuses primarily on patent law. In his spare time he enjoys golfing and softball as well as fishing and boating, and watching Chicago sports teams, especially the Cubs.
Walker Johnson – Director
Walker is a nationally recognized, award-winning architect with more than 40 years of specialized, experience in historic preservation. He served three terms on the Illinois Historic Sites Advisory Council to the State Historic Preservation Office. He was on the Board of Landmarks Illinois and was very active in its organization. He recently served two terms as a PBS Peer Professional for the General Services Administration and has served on Building Design and Construction Magazine Award Juries(2004-2008)as well as the 2008 AIA Honor Award Jury. He is a fellow of the American Institute of Architects and a fellow of the Association of Preservation Technology.
Prior to founding the Chicago firm Johnson Lasky Architects in 1992, he was Director of Restoration/ Rehabilitation at Holabird & Root, Architects.
A well-known speaker, he lectures on topics such as preservation, history, lighting for historic buildings and building material treatments. Walker has also been a guest lecturer at the University of Notre Dame School of Architecture, and an Adjunct Professor of the University of Virginia, Charlottesville-School of Architecture.
Dan Koehler – Director
Dan was introduced to Kettle Moraine Land Trust just a few years ago when he was the Director of Tours and Special Programs for the University of Chicago at Yerkes Observatory in Williams Bay.
Dan earned a BS degree in biology (with a minor in geology) from UW-Whitewater and an MBA from Marquette University. He has served on several Boards of Directors, including the Walworth County Visitors Bureau, the Muskego Area Chamber of Commerce, the Milwaukee Astronomical Society and the North Central Region of the Astronomical League. He has a lifelong interest in conservation.
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Herb Sharpless – Director and Stewardship Committee Chair
Herb is a graduate of Lehigh University and Stanford University with Bachelors and Master’s Degrees in electrical engineering. Working for Bell Laboratories and Lucent Technologies, he designed communication system hardware, and managed a design team of more than 100 people worldwide that included software engineers, circuit designers and mechanical designers. He also has experience in developing business strategies and creating business and communication solutions. In retirement, Herb joined the Fox Valley Habitat for Humanity and served as their building chairperson for several years. He also helped form the Lauderdale Lakes Lake Management District to manage water quality issues. He is the Treasurer of the Lauderdale Lakes Improvement Association. Herb enjoys working with volunteers and educating them about KMLT Preserves; he also snow skis, windsurfs and bikes the Midwest with his wife Jan.
Peg Sorenson – Director and Outreach Committee Chair
Peg brings a wide range of skills to the board including fund raising, marketing and special events. She is a lifelong resident of Lauderdale Lakes and has volunteered for our events for several years. Peg chaired 2019’s “Party with the Perennials,” held at Northwind Perennial Farm, KMLT’s largest fundraiser to date, and is planning the new lecture series, Talking About Nature.
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Len Wardzala – Director
A graduate of the University of Notre Dame with a Bachelor of Science degree in Electrical Engineering, Len Wardzala currently works as a Global Business Development Manager for Kimball Electronics Group. An avid environmentalist, while employed at AG Communication Systems, Len received the Strowger Award for his work to eliminate ozone depleting chemicals from their manufacturing processes to comply with the Montreal Protocol. Len has served for over 20 years on the Lyons Township Planning Commission and was instrumental in the adoption of conservation subdivision requirements as part of the Town’s comprehensive plan. In 2020, he founded the “Lyons Township Biodiversity Project” committee and currently leads that project for the Kettle Moraine Land Trust. He was also one of the founding members of the Friends of the Fox River (www.friendsofthefoxriver.org), and he recently retired as board president for Catholic Central High School in Burlington.
Len is married to poet Dr. Kimberly Blaeser (www.kblaeser.org), and they have two children. The family lives in rural Lyons Township, Wisconsin, where Len has done prairie and woodland restoration on their property for over 25 years. They also spend part of each year in their water-access cabin adjacent to the Boundary Waters Canoe Area Wilderness—hiking, canoeing, and welcoming visiting wildlife.
Jerry Petersen – Director Emeritus and Founder
Jerry worked for General Electric’s Nuclear Power and Aerospace Divisions in the 1960’s. He then worked for Allis Chalmers for 20 years, heading up the Corporate R&D Center. He subsequently ran his own firm under contract with NATO for three years, and then served as Marketing VP for an environmental firm, RMT, in Madison.
In the volunteer sector, Jerry served as a Director of the Lauderdale Lakes Improvement Association for 20 years and then as its president for four years. He served on the Town of LaGrange Planning Commission for 10 years. He was one of the three founders of the Lauderdale Lakes Lake Management District, and served as its chairman from 1990 through 1996. During this period, he led the District’s effort to acquire the Lauderdale Lakes Country Club, protecting 57 acres of open space and 2,000 feet of shoreline on Lauderdale Lakes. He served on the Walworth County Land Conservation Committee. He founded the Lauderdale Lakes Conservancy (later renamed Kettle Moraine Land Trust) and served as its president from 2000 through 2015.
Greg Rajsky, Executive Director
Joining KMLT in December, 2018, Greg brings more than 20 years’ experience in nonprofit management to the lead staff position, along with a solid background in land stewardship and ecological restoration. Previously, he served as Director of Ecological and Volunteer Services with Conserve Lake County, an Illinois land trust, and most recently was the Naturalist/Educator at Severson Dells Nature Center near Rockford. His prior experience as chief staff executive of nonprofit organizations include serving as President of the Aluminum Anodizers Council and Executive Director of the Extrusion Technology for Aluminum Profiles Foundation.
Greg also serves in a volunteer capacity as Vice Chair of the Board of Directors of Friends of Hackmatack National Wildlife Refuge; the refuge straddles the state line, occupying portions of Walworth County, Wisconsin and McHenry County, Illinois.
Sue Heffron – Program Manager
Sue was formerly an IT project manager for Harley-Davidson and she also worked for several Milwaukee firms including Universal Foods and Eaton/Cutler-Hammer as well as serving the United Performing Arts Fund in a donor development and fundraising capacity.
Sue was on the KMLT board from 2010-2016, serving as the Outreach Chair. Her accomplishments include installing software to track members and mailings, and starting the Nature Walk program.
She has been a community activist in the Delavan Lake area for more than 30 years, including terms on her homeowners association the board of directors. She has been a board member of the Delavan Lake Improvement Association for 25 years and is past-President. Sue also serves on the City of Brookfield, Wisconsin’s Ethics Board.
Sue is currently Program Manager for KMLT and her part-time work supports membership, programming and events, as well as communications and outreach.