Posted: November 23, 2020

Kent, Ohio – The Davey Tree Expert Company is proud to announce the promotion of two senior vice presidents and one regional vice president in Eastern Utility services.

Jack Bloomfield was promoted to senior vice president, Lakes region; Marvin Hassell has been promoted to senior vice president, Gulf region; and John Tokarczyk was promoted to regional vice president, Lakes region.

“These three are proven leaders who have worked tirelessly to deliver safe and efficient results for our clients. Over the years they have demonstrated how to evolve and meet our clients’ needs in a rapidly changing market,” said Mike Mittiga, vice president and general manager, Eastern Utility services. “With decades of industry experience as individuals and a collective, I look forward to seeing their continued success.”

Bloomfield joined Davey in 1976 as a groundperson on the Commonwealth Edison account in Chicago. He climbed the crew-level ranks and in 1987 was promoted to account manager, Wisconsin Public Service account. From 1993 to 2005, Bloomfield worked to develop Davey’s Lakes Region operations until he was promoted to regional vice president, Lakes region, in 2006. He is a 1980 graduate of the Davey Institute of Tree Sciences (D.I.T.S.), Davey’s flagship training program in biological sciences, safety, tree and plant care and management techniques.

Hassell joined Davey in 1979 as a groundperson and was promoted to foreman within two years. Between 1981 and 2005, Hassell held every crew-level position before being promoted to regional manager, Gulf region. By 2015 he was named regional vice president, Gulf region. Hassell is a 1986 D.I.T.S. graduate.

Tokarczyk started with Davey in 2006 as a trimmer. He was promoted to general foreman in 2010, production manager in 2012, area manager in 2013 and operations manager, DTE Energy and NIPSCO accounts, in 2017. He is a Tree Care Industry Association (TCIA) Certified Treecare Safety Professional (CTSP) and served on the Davey President’s Council from 2016 through 2018.


The Davey Tree Expert Company provides research-driven tree services, grounds maintenance and environmental solutions for residential, utility, commercial and environmental partners across North America. As one of the largest employee-owned companies in the U.S., Davey has been dedicated to creating and delivering sustainable solutions for 140 years. Become part of the Davey legacy and apply today.

The Davey Tree Expert Company, established in 1880 and headquartered in Kent, Ohio, provides research-driven tree services, grounds maintenance and environmental consulting for residential, utility, commercial and environmental partners in the U.S. and Canada. With 11,000 employees, Davey Tree is the eighth largest employee-owned company in the U.S.

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