About Us

Mavis Consulting was established on January 1, 2000 and is owned and operated by Brian Mavis. The company is based in Northwest Ohio and provides regular on-site service in Ohio, Indiana, and Michigan.

Mavis Consulting provides fertility, cultural management, and construction/ renovation recommendations. This is accomplished by ensuring proper sampling procedures, testing methods, site-specific evaluations, and utilizing top quality data provided by Brookside Laboratories, Inc.

Brian Mavis | Mavis Consulting Ltd


Brian received a Bachelor’s Degree in Applied Health Science from Bowling Green State University in May of 2000 and has been a certified agronomist through Brookside Laboratories, Inc. since 2000. Prior to establishing his consulting business, Brian worked in golf course maintenance and spent three summers as an intern for Nester Ag Management.

Brian is an active member of the following organizations:

Matt Cielen


Matt’s career in turf management began in 1992 and has included experience at Arbor Hills C.C., Jackson, MI; Shadow Creek Golf Club, Las Vegas, NV; Winged Foot Golf Club, Mamaroneck, NY; Point O’Woods G.& C.C., Benton Harbor, MI and from 2004-2021 as the superintendent for the golf courses at the University of Notre Dame (Warren and Burke courses). The Warren course was the host site of the 2019 U.S. Senior Open, 2010 U.S. Women’s Amateur Public Links, and 4 NCAA Regional Championships during Matt’s tenure. Matt also has extensive experience as a shade analyst/ field consultant for ArborCom Technologies where he utilizes computer modeling for selective tree removal. Matt is a graduate with honors from Michigan State University two year Turf Management Program and became a Certified Golf Course Superintendent in 2016. Matt has been an annual client of Mavis Consulting as an assistant superintendent and superintendent from 2002-2020, and brings a unique set of skills that will further enhance the services provided by Mavis Consulting.