The Davey Tree Expert Company has promoted Bill Whitmire to the position of vice president, operations for the company's residential/commercial services division, and has also promoted Greg Ina to the position of vice president and general manager of The Davey Institute.

Davey Promotes Whitmire and Ina

The Davey Tree Expert Company has promoted Bill Whitmire to the position of vice president, operations for the company’s residential/commercial services division, and has also promoted Greg Ina to the position of vice president and general manager of The Davey Institute.


Whitmire has been with the Davey Company for more than 31 years. He began his service with the Akron, Ohio office and earned a series of field promotions, which culminated in his appointment to district manager of the Milwaukee, Wisconsin office  in 1985.  In 1997, he was appointed operations manager of the north central operating group and in 2002 became operations manager of the western operating group. He is an alumnus of Kent State University and Cardinal Stritch College where he studied biology and business management respectively.  Whitmire is a past member of Davey’s President’s Council.


Ina’s areas of responsibility are all activities of The Institute; including research and development, technical support services, environmental compliance, technical innovation, and education and training. Ina joined Davey in 1995 as a GIS intern and served as manager of GIS/IT for the Davey Resource Group.  He was named general manager of The Institute in 2006. Ina holds both a bachelor’s and master’s degrees in Geography specializing in geographic information systems from Kent State University.