Our Team

Chris Scott

Operations Manager

Chris is a well known and respected industry professional that has been working with trees since 1990. He is a skilled tree climber with a reputation for having a tireless work ethic.

Favorite Part of the IndustryClimbing and caring for trees. I enjoy being part of a great team.
Hobbies & PastimesBiking, being outside, and climbing trees!
Tree Care Industry ExperienceSince 1990
EducationBatavia High School
CertificationsISA Certified Arborist (1999). Lic #IL 1321-A
Zac King, Plant Health Care Division Manager | Graf Tree Care Team

Zac King

Plant Health Care Coordinator

Zac is one of the most well-rounded arborists in the Chicago area, and can work efficiently in all three divisions of our company

Favorite Part of the IndustryDiagnosing tree diseases / pests and identifying tree species.
Hobbies & PastimesMountain biking, mushroom hunting, art, reading and study, craft beer, tree climbing.
Tree Care Industry ExperienceSince 2004
EducationNIU Bachelor of Science Major in Biology, Minor in Chemistry, 2003
CertificationsISA Certified Arborist (2005) Lic #IL 4615-BCMA, ISA Board Certified Master Arborist (2016) Lic #IL-4615B
Qualifications and RecognitionISA TRAQ Qualified (2017)

Andrew Sereika

Business Developer
Favorite Part of the IndustryI enjoy helping customers maintain healthy, safe trees through plant health care (PHC), pruning, and proper tree maintenance. I specialize in addressing safety concerns, preventing property damage, and advising on tree removals. My passion is learning the nuances of different tree species and the diseases that can affect them so I can provide the best care possible.
Hobbies & PastimesI love watching my kids compete in their sports which are swimming and baseball. I really love fishing and anything to do with fishing. Exploring the woods. Watching the best football team ever – the Chicago Bears. Working out. Did I mention fishing? Watching scary movies. Crayfishing with my wife and kids. Oh and fishing.
Tree Care Industry ExperienceSince 2026
EducationHigh School Diploma
Maizie Scott, Office Manager | Graf Tree Care Team

Maizie Scott

Office Manager

Maizie has worked her way up from filing to the Office Manager position at Graf Tree Care. Maizie has enjoyed learning the ins and outs of running a business and she is excited to take on this new challenge managing communications with our clients and keeping things running smoothly from behind the scenes.

Favorite Part of the IndustryI enjoy being part of a hardworking team that provides expert tree care and helps our clients maintain healthy, beautiful trees. It’s rewarding to see how proper pruning, tree maintenance/removal, and plant health care can enhance both the appearance and safety of a property.
Hobbies & PastimesSpending quality time with friends and family.
Graf Tree Care ExperienceSince 2020
EducationKaneland High School & Waubonsee Community College

Madison Jasper

Plant Health Care Tech

My journey in Tree Care started at Morton Arboretum in the Forest Ecology Lab studying growth trends and wood anatomy. I work at Graf Tree Care in a field-based position split between our Plant Health Care and Tree Pruning/Removal divisions.

Favorite Part of the IndustryI get to work hands-on, immersed in nature every single day.
Hobbies & PastimesYou can often find me spending time outside, making art or going on road trips with friends.
Graf Tree Care ExperienceSince 2023
EducationOregon State University – BS, Environmental Science – Concentration in Applied Ecology