Make a donation

Trees For Tomorrow on Facebook Follow Trees4Tomorrow on Twitter YouTube Follow Me on Pinterest

Tree Tips

tree tips enewsletter header

Sign up for
Trees For Tomorrow's
quarterly Newsletter


Trees For Tomorrow Staff

Administrative Staff:

Executive Director: Libby Dorn
Libby joined the Trees For Tomorrow staff as executive director in January 2014. She served as the director of Fallen Timbers Environmental Center, Seymour, WI, for more than 25 years before becoming a national training specialist with University of Wisconsin-Extension, Green Bay.  Libby also was the education coordinator at the Dow Gardens, Midland, MI; school program naturalist, Chippewa Nature Center, Midland, MI; and Earth Science/Planetarium assistant, Center of Science and Industry (COSI), Columbus, OH. She has a bachelor of science in Natural Resources from The Ohio State University, Columbus, Ohio, and a master of science in Education, specializing in environmental science, from St. Norbert College, De Pere, WI.

Operations Manager: Cheryl Todea
Cheryl has been at Trees For Tomorrow since 2000. She was named Operations Manager in January of 2014. She previously held the Interim Executive Director position and served as Teacher/Naturalist for 13 years. In addition to managing the overall operations of the organization, Cheryl is responsible for group programming and personnel management. Cheryl earned a degree in Environmental Education from UW-Stevens Point and worked previously for the Girl Scouts and the Wisconsin DNR. She enjoys hiking, birding, and knitting.

This e-mail address is being protected from spambots. You need JavaScript enabled to view it.

Office Manager: Juli Welnetz
Juli joined the Trees For Tomorrow Staff in November 2014.  She is responsible for maintaining financial reports, accounts receivable/accounts payable, seedling sales, and the day-to-day office operations.  She has a Bachelors of Science Degree in Business Administration from UW-Stevens Point.  In addition to working at Trees For Tomorrow, Juli is a volunteer Loon Ranger, the Business Manager for Welnetz Chiropractic and owns and operates Sandy Shores Resort in Conover, with her husband Curt. Juli was previously on the Board of Directors at Nicolet Credit Union, and was a National Account Executive for Continental Foods.  She enjoys spending time with family, photography, hiking, canoeing and exploring the Northwoods of Wisconsin and the Upper Peninsula of Michigan.

This e-mail address is being protected from spambots. You need JavaScript enabled to view it.


Special Events Coordinator: Kristine Greb
Kristine started working at TFT in January 2015 as the events coordinator for the golf outing, forest fest, and banquet fundraisers.  She was born and raised in Green Bay, Wisconsin and moved to Eagle River in 2006 after spending over 20 years living in Scottsdale, Arizona.  She worked for the City of Scottsdale for twelve years as the communication coordinator for the finance department and has since worked with Wisconsin’s Native American communities as a casino marketing director and a program director for a non-profit organization providing small business technical assistance and teaching financial literacy.  Most recently she held positions as a mortgage banker and real estate agent.  Kristine has a BS degree in business marketing for the University of Phoenix.

Kristine enjoys spending time with her husband and raising their two girls, Tyler and Josephine.  Her hobbies include reading, painting, and gardening.

kristine This e-mail address is being protected from spambots. You need JavaScript enabled to view it.

Education Staff:

Education Manager: Melissa Perry
Melissa joined the education staff in June of 2015. She is originally from small town, Vermont and received her bachelors in Environmental Science from the University of New England in Biddeford, ME. From there she was a Peace Corps Volunteer in Benin, West Africa focused on the intersection of womens' empowerment and environmental protection. Once she returned to the United States she worked in the field of environmental education across the country from New Hampshire to Alaska.  In May of 2015 she completed her Masters degree from UW Stevens Point in Natural Resources with an emphasis in Residential Environmental Education. Melissa enjoys backpacking, kayaking, and knitting.
This e-mail address is being protected from spambots. You need JavaScript enabled to view it.


Environmental Science Educator: Kim Trinkle
Kim joined the in October 2014 after working as a yearlong seasonal naturalist at Trees. She is from Columbus, Ohio, and received her bachelor’s degree in biology at Ohio Northern University in 2010.  Kim also has a master’s degree in coastal, marine, and wetland studies from Coastal Carolina University in South Carolina.  Her fieldwork experience includes conducting wetland surveys in Ohio, working at a national wildlife refuge in Michigan, and studying marsh bird populations in South Carolina. She also taught science and helped develop curriculum in public middle schools and worked at several nature and environmental learning centers.  Kim likes to paint and draw, bake, jog, and be outdoors.
Education Outreach Specialist: Christopher Rada
Christopher joined the Trees For Tomorrow staff in January of 2015. In addition to teaching the students that attend programs at Trees for Tomorrow, Chris is responsible for off-site programming, including taking our programs across Wisconsin! Chris enjoys plant/tree identification, botany, ornithology, soil and water chemistry, marine biology and oceanography.  Chris attended UW-Stevens Point and attained a BS in Environmental Education/Interpretation.  Chris enjoys hiking, canoeing, kayaking, snowshoeing and cross-county skiing.  He has educated and interpreted in multiple environmental centers is Wisconsin and Illinois where he uses his enthusiasm to spark interest in helping others to become stewards of their environment.

This e-mail address is being protected from spambots. You need JavaScript enabled to view it.

Environmental Science Educator: Jenny Sadak
Jenny joined the Trees For Tomorrow staff in January 2015. Originally from Laona, WI (a Northwoods girl), Jenny received a Bachleor of Science degree in Environmental Science from UW Green Bay in 2002 . She has a variety of experiences including global warming research in Barrow, AK, wildlife surveys for the Helena National Forest, water resources for the state of Montana and naturalist programs in Jackson, WY. The last few years she has been centered around raising her daughter and son, but is excited to be working again in environmental education!! Jenny enjoys hiking, backpacking, cross country skiing...really anything outdoors, baking, traveling, trying to craft and of course spending time with my friends and family.

This e-mail address is being protected from spambots. You need JavaScript enabled to view it.

School Program Coordinator/Environmental Science Educator: Mary Beth Factor
Mary Beth joined the education staff in May 2015.

This e-mail address is being protected from spambots. You need JavaScript enabled to view it.

Road Scholar Coordinator: Dave Kuckuk

Dave joined the Road Scholars instructional staff at Trees for Tomorrow in September 2014 as a consultant from FIELDS, an environmental science education organization.  Previously, he served as the Environmental Park Director for the Maywood Environmental Park in Sheboygan, WI for 23 years. Dave also served as the City of Sheboygan Superintendent of Parks and Forestry.  Dave very much enjoys outdoor adventures and has backpacked Wisconsin’s 1,000 mile Ice Age Trail, kayaked a 625-mile route through Wisconsin and Lake Michigan, and most recently has made several trips to the Apostle Islands and Ontario to explore the areas in his solo sea canoe.  His M.S. degree in Environmental Education, B.S. degree in Resource Management, and secondary education teacher certification are all from UW-Stevens Point.

Summer Naturalist Intern: Stehpanie Hermans

Stephanie just completed her sophomore year at the University of Wisconsin-Green Bay and is studying Biology with an emphasis in Ecology and Conservation, and a minor in Education. She has always loved being outdoors and would love a career in environmental education! She has gone camping with her family every summer for as long as she can remember, and also loves swimming, reading and watching movies in her free time. She came to Trees For Tomorrow for a field trip in high school and is excited to come back!

red tailed hawk bird of prey staff apollo

A Red-tailed hawk, Apollo was hit by a car in Oakdale Flats in Burnett County. He was taken to a wildlife rehabilitator, Kim Ammann, in Spooner, Wisconsin where he was treated for his injuries. Unfortunately, it was soon discovered that he was completely blind in his left eye which made him unreleaseable. This meant that he would need a permanent home where he would be cared for in order to survive. It was on January 13, 2009 that Apollo became a part of the Trees For Tomorrow education staff.



Maintenance Staff:

Maintenance Manager: Bill McCallum 

Bill started at Trees April 1st of 2015 after relocating to the Northwoods from the Phoenix area where he was a residential general contractor.  He was self employed for more than 20 years and held 2 Arizona state contractors licenses. Bill is responsible for the overall maintenance of the TFT campus, its buildings, vehicles and grounds. He loves being outdoors so his position at Trees is a perfect fit. In his spare time, he enjoys spending time with his wife Kim and their crazy dogs. He also enjoys hiking, fishing, kayaking and working in the yard around the house. He has been a drummer for more than 30 years and loves old school progressive rock music. He is a Green Bay Packer shareholder (Go Pack Go!), and loves the English Premier League (soccer) and is the Northwood’s biggest Liverpool fan!

This e-mail address is being protected from spambots. You need JavaScript enabled to view it.

Housekeeping Staff:

housekeeping kate

Head Housekeeper: Kate Villalba
Kate started working at Trees For Tomorrow at the end of 2009. She is responsible for cleaning the Education Hall most mornings. She also helps picks up garbage around campus, sweeps the buses, and cleans the vans. She is currently taking classes to become a Medical Transcriptionist and hopes to graduate soon. Kate also recently rescued a dog from the animal shelter and says she is the best dog anyone could have.

This e-mail address is being protected from spambots. You need JavaScript enabled to view it.



Food Service Staff:

food service staff mandy

Food Service Manager: Mandy Gingerich
Mandy has lived in the Northwoods most of her life, She started at Trees For Tomorrow her senior year of high school, then graduated in 2007. In summer of 2009 she was promoted to Night Shift Supervisor and became Food Service Manager in February 2014. When she is not working, she enjoys being with family and friends, going to rodeos, horseback riding, and watching football.

This e-mail address is being protected from spambots. You need JavaScript enabled to view it.


Food Service Assistant Manager: PJ Kokaska
Originally from Chicago, PJ has been visiting the Northwoods ever since she was a little girl. PJ moved to the area permanently in 2010 and has been at Trees For Tomorrow since February of 2012. In the summer, she enjoys being a trail guide and has been riding horses since she was 10 years old! She enjoys riding horses, cooking, and baking.



Food Service Assistant: Betty Laking



Food Service Assistant: Michelle Howe

  Food Service Assistant: Bo Mmbaga
  Food Service Assistant: Emily Wang

Food Service Assistant: Brady Arndt

Brady has been at Trees For Tomorrow since January 2015. He was born and raised in the Northwoods and loves it here! He works in the kitchen, but also loves working outside any chance he gets! He also enjoys long walks while listening to music, spending time with friends and most importantly playing hacky sack!


Upcoming Events

Tue Jul 07 @10:30AM - 11:30AM
Family Nature Program - Mud, Dirt, and Worms
Tue Jul 07 @ 7:00PM - 08:00PM
Evening Public Program - Northwoods Weather!
Thu Jul 09 @ 8:30AM - 04:00PM
SEEK - Wild About Water
Tue Jul 14 @10:30AM - 11:30AM
Family Nature Program - Superhero Critters
Tue Jul 14 @ 7:00PM - 08:00PM
Evening Public Program - Invasive Plants of the Northwoods
Thu Jul 16 @ 8:30AM - 04:00PM
SEEK - Animal CSI
Tue Jul 21 @10:30AM - 11:30AM
Family Nature Program - Nature Scevenger Hunt
Tue Jul 21 @ 7:00PM - 08:00PM
Evening Public Program - Nature Photography
Thu Jul 23 @ 8:30AM - 04:00PM
SEEK - Diggin' in the Dirt
Tue Jul 28 @10:30AM - 11:30AM
Family Nature Program - Scientist for the Day