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September 29, 2023

Promotion Watch ’20: A Dozen Grant Thornton Partners Have New Titles to Show Off On LinkedIn

These are your new Grant Thornton office managing partners:

  • Brett Beightol, Orange County, CA, succeeds Alan Herrmann on Aug. 1. Hermann was promoted to lead Grant Thornton’s West region tax practice in 2019.
  • Mike Desmond, Charlotte, NC, succeeds Dave Wedding who is retiring on July 31.
  • David Gifford, Phoenix, succeeds Tim Zingraf on Aug. 1.
  • Doreen Griffith, Dallas, succeeds Wally Gruenes who is retiring on July 31.
  • Amanda McCarty, San Jose, CA, succeeds Tony Perazzo on Aug. 1. Perazzo was promoted to GT’s West regional managing partner role in 2019.
  • Bryan Merrigan, Metropark, NJ, succeeds Matt DiDonato effective immediately. DiDonato was named New York City OMP on Jan. 22, 2020.
  • Jason Perry, Atlanta, succeeds Wade Weeks who is retiring on July 31.
  • Dan Powers, Seattle, effective immediately.
  • Barbara Koosa Ryan, Columbia, SC, succeeds Mark Ballew who is retiring on July 31.
  • Seth Siegel, South Florida (Miami and Fort Lauderdale), succeeds Doug Gawrych who is retiring on July 31.
  • Adam Steinmetz, San Diego, succeeds Brett Beightol effective immediately.
  • Rimma Tabakh, San Francisco, succeeds Tony Perazzo on Aug. 1.

Purple Rose of Chicago CEO Brad Preber is probably going to be watching Gifford like a hawk because BP was OMP of the Phoenix office for three years before gradually moving on up to the big chair. No pressure, David.

And we can’t forget about Mark Sullivan who was named office managing principal of the office in Sweet Home Chicago. He succeeds Vince Tomkinson, who accepted a new role as GT’s global account leader based in the United Kingdom.

Congrats to all the new OMPartners and the new OMPrincipal at GT!

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