Liz Roxberry, Executive Director


Phone: 517-483-6674

Liz Roxberry is an experienced non-profit manager with a history of successful leadership in the fields of conservation, education, and natural resource relations. She obtained her degree from Central Michigan University and is passionate about creating connections between the next generation of stewards and the land they will inherit. Prior to her position at Fenner Nature Center, Liz was director of the Cedar Lake Outdoor Center for Michigan United Conservation Clubs and the statewide youth education coordinator for Michigan Pheasants Forever. She has served on numerous Boards and was a chairperson for the Gateway Initiative. When not at Fenner Nature Center, Liz can be found working on her farm and showing her inquisitive toddler the wonders of nature.


Samuel Ansaldi, Program Manager


Phone: 517-483-4041

Sam is an avid outdoorsman with a love of nature and a fascination for all organisms within it. Growing up in North-Eastern Vermont, his inquisitive love of the natural world turned into a professional career in conservation and environmental education. Sam has a masters degree in Education from Michigan State University and a bachelors degree in Biology from Olivet College. Prior to his position as Program Manager at Fenner Nature Center, Sam has worked at numerous zoological associations, conservation areas, and nature centers throughout the US and Canada, and was the Education Specialist for the Center for Earth and Environmental Science at Indiana University-Purdue University Indianapolis. When Sam is not at Fenner, he and his wife are introducing their young daughter to all of the exciting wonders the natural environment has to offer. 


Alexa Seeger, Development & Events Manager


Phone: 517-483-4045

Alexa earned her Bachelor of Arts in Journalism, with minors in Public Relations and Graphic Design, from Michigan State University in 2018. A Lansing native, she has loved Fenner Nature Center since she was a little girl, roaming its trails in her tiny pink windbreaker. She has worked at Fenner since 2016, first as an intern, then as the Development and Events Assistant, and now as the Development and Events Manager. When not at the nature center, Alexa is likely hiking, trail riding, traveling or working on her latest graphic design project.

Madison Ostrander, Volunteer Coordinator


Phone: (517) 483-4224

Madison graduated from Michigan State University in May 2020 with a bachelor’s degree in Zoology and a minor in Environmental Conservation Management. Fenner has always been a special place for Madison, as these are the trails that sparked her curiosity for nature and everything within it. Madison has been with Fenner since the summer of 2021, first as a camp counselor, then as a naturalist, and now as the volunteer coordinator.