Quality Tree Service of West Michigan, Inc. was established as a family business in 1997. With maintaining the family-owned framework QTSWM currently employs thirty individuals and is helping to stimulate Michigan’s economy with their dollars earned.


Greg Vincent


Greg Vincent, President of QTSWM, has been in the arboriculture industry for over sixteen years. Greg graduated from Muskegon Community College with an ASA and is an ISA Certified Arborist. He also has certifications in the following areas: ISA Utility Specialist, TCIA Certified Tree Care Safety Professional, TCIA EHAP and Pesticide Applicator – Category 5 & 6.

Dennis Vincent


Dennis Vincent, Vice-President of QTSWM, has been in the arboriculture industry for over sixteen years. Dennis’ experience in mechanics and business has allowed for QTSWM’s successful growth. Dennis also worked for the United States Forest Service in Fire Management and has earned the TCIA EHAP certification.

Jillian Pezet

General Manager/Controller

Jillian Pezet, General Manager/Controller for QTSWM, has been working in the arboriculture industry for over eleven years. Jillian graduated from Central Michigan University with a Bachelor’s degree in Psychology and Master’s of Science in Administration. Jillian also earned the title of TCIA Tree Care Safety Professional in 2013 and earned the TCIA EHAP certification.

Joe Kukal

Operations Mechanic

Joe Kukal, Service Department Manager at QTSWM, has certifications in auto suspension, wiring, overhaul and brakes, and RV repair. Joe has over 22 years experience in the automotive industry. 

Sue Vincent

General Accounts Manager

Sue Vincent, General Accounts Manager at QTSWM, holds a Master’s degree in Education and Bachelor’s Degree of Science. Sue also has earned the TCIA EHAP certification and TCIA Ground Operations Specialist Certification.

David Vincent

Safety Director

David Vincent, Safety Coordinator for QTSWM has worked in the arboriculture industry for eight years, recently being promoted to his current position. David received his Bachelor’s Degree in Mathematics from Ferris State University. He also received the following certifications: ISA Certified Arborist, TCIA Tree Care Safety Professional, commerical pesticide applicator – category 5 & 6, TCIA Tree Care Safety Professional certification and TCIA EHAP.

Lori Secord

Office Manager

Lori Secord, Officer Manager at QTSWM, earned her Bachelors Degree of Science in Business Marketing from Ferris State University.  Lori has over twenty years of customer service experience in various settings paired with a background in sales and teaching.


Click HERE to verify Electrical Hazards Awareness Program (EHAP) Certifications.
Click HERE to verify Certified Treecare Safety Professional (CTSP) Certifications.
Click HERE to verify ISA Arborist Certifications.