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Don also is experienced in NYSE, SEC and FERC rules, equity transactions and credit facilities.

Before joining Calfee, Don spent 10 years as General Counsel and Secretary for an independent oil and natural gas exploration and production company, where he led or participated in legal projects that included the initial public offering of an NYSE company, negotiating credit facilities, bond transactions, asset purchase and sales agreements and complex litigation.

He is experienced in environmental and regulatory compliance matters, including self-audit and reporting processes, as well as marketing and transportation agreements for crude oil and natural gas.

Don also has worked as an inter-corporate landman responsible for acquiring oil and gas leasehold and exploration rights.

Don is a member of the American Bar Association, the Ohio and Oklahoma Bar Associations, the Rocky Mountain Mineral Lawyers Association, the Institute for Energy Law, Oklahoma Independent Petroleum Association, the National Association of Corporate Directors, the Society of Corporate Secretaries and Governance Professionals and the Ohio Oil and Gas Association. 

In 2014, Don was recognized as a member of “Who’s Who in Energy” by business journal publications in Columbus, Denver, Dallas, Houston and San Antonio.

Don joined Calfee in 2012.

Honors & Recognitions

  • “Who’s Who in Energy” Columbus, Denver, Dallas, Houston and San Antonio Business Journal publications (2014)


J.D., Oklahoma City University School of Law, 1987

B.A., Miami University, 1980

Professional & Community

Professional & Community

  • American Bar Association, Member
  • Ohio Bar Association, Member
  • Oklahoma Bar Association, Member
  • Oklahoma Independent Petroleum Association, Member
  • Rocky Mountain Mineral Lawyers Association, Member
  • Institute for Energy Law, Member
  • Ohio Oil and Gas Association, Member
  • National Association of Corporate Directors, Member
  • Society of Corporate Secretaries and Governance Professionals, Member

Presentations & Publications

Presentations & Publications


  • “Mineral Rights and the Restructuring/Insolvency Practice,” 2015 William J. O’Neill Great Lakes Regional Bankruptcy Institute, May 21, 2015
  • “The Impact of Oil and Gas Leasing,” The Ohio Association of Realtors Spring Conference, April 24, 2015
  • “New Opportunities in the Oil & Gas Industry,” Turnaround Management Association, October 23, 2014
  • Panelist, “Understanding HBP,” Crain’s Shale Summit 2014, February 20, 2014
  • “Is the Oil & Gas Industry Your New Market?” Manufacturing Mart 2013, May 14, 2013
  • “Business Funding in the Shale Play,” Crain’s Shale Summit, February 5, 2013
  • Panelist, “Key Tax and Business Considerations of Flow-throughs and Their Role in the Oil & Gas Industry,” 55th Annual Cleveland Tax Institute, November 28-29, 2012
  • Panelist, “Oil & Gas Contracts,” Cleveland Metropolitan Bar Association “Utica Shale Conference: Issues in Law, Practice and Policy,” September 13-14, 2012


The following is a partial list of publications Don has either authored or was quoted in for his expertise.

  • “Ohio gas and oil production soaring, fewer drilling rigs at work,” The Plain Dealer (March 10, 2016)
  • “A Comprehensive Look at the Opportunities for Shale Development in Ohio,” Calfee, Halter & Griswold LLP First Alert (November 18, 2015)
  • “High Court Solves One Piece in Mineral Rights Debate,” Calfee, Halter & Griswold LLP First Alert (June 23, 2015)
  • “Zoning Hurdles For E&Ps Seen Likely After Divided Ohio Supreme Court Opinion,” Natural Gas Intelligence (March 9, 2015)
  • “Ohio Supreme Court Favors ODNR Rules, So Far . . .,”Calfee, Halter & Griswold LLP First Alert (February 18, 2015)
  • “Gas Stimulation Is Industry's Latest Bet to Unlock Utica Oil Window,” Natural Gas Intelligence (December 11, 2014)
  • “Can regulators ensure drillers aren’t squeezed out by a monopoly after Halliburton, Baker Hughes merger?” Columbus Business First (November 17, 2014)
  •  “No Rest for the Riches: Under Ohio’s Dormant Mineral Act, If You Don’t Use ‘Em, You Lose ‘Em,” Crain’s Cleveland Business Fall Issue of Shale Magazine (August 28, 2014)
  • “Northern Utica Not Yet A Bust; Oil Windows Seen as Key to Revival,” Natural Gas Intelligence (June 27, 2014)
  • “Fracking-earthquake link may impact insurance policies,” Columbus Business First (April 18, 2014)
  • “Driller tapping both Utica and Marcellus shale from same well pad,” Columbus Business First (March 5, 2014)
  • “Mineral rights leases ‘held by production’ will be a bone of contention," Crain’s Cleveland Business, quoted in article (February 21, 2014)
  • Columbus Business First regarding the progression of Ohio’s Utica Shale rush, (February 7, 2014)
  • Youngstown Vindicator regarding the current state of activity in Ohio’s Utica Shale (January 1, 2014)
  • “Pennsylvania’s the Babe Ruth of natural gas, and Ohio’s still a rookie,” Columbus Business First (December 18, 2013)
  • “Ohio Utica Operations Expand to the South,” Natural Gas Intelligence (November 19, 2013)
  • Houston Business Journal regarding Ohio’s wait for the boom as the oil production numbers go up in 2014, November 15, 2013. This story was also picked up by business journals in several states including Missouri, Texas, Pennsylvania, Colorado and Ohio.
  • National Journal regarding the energy boom’s infrastructure challenges (October 5, 2013)
  • Youngstown Vindicator regarding the current state of activity in Ohio’s Utica Shale (October 4, 2013)
  • “Utica shale exploration group to focus on keeping economic benefits in Ohio,” Columbus Business First (October 1, 2013)
  • Youngstown Vindicator regarding “take or leave” offers made to landowners for right-of-way access for pipelines (August 3, 2013)
  • “Who to Watch in Law,” Crain’s Cleveland Business Section regarding the future of the legal profession (July 15, 2013)
  • Youngstown Vindicator regarding class action suit over long-term oil and gas leases (July 11, 2013)
  • Columbus Business First regarding Utica oil and gas production numbers (June 14, 2013)
  • “Midstream Infrastructure Ramps Up in Ohio,” Calfee, Halter & Griswold LLP First Alert (May 24, 2013), Co-author
  • Youngstown Vindicator regarding production reports from Utica Shale (May 21, 2013)
  • “Ohio...Once Again ‘The Heart of it All’,” Calfee, Halter & Griswold LLP First Alert (May 17, 2013), Co-author
  • “Lack of infrastructure limiting Utica shale drillers, energy expert says,” Columbus Business First (May 17, 2013)
  • Cleveland Plain Dealer regarding recent Ohio Utica Shale production numbers (May 17, 2013)
  • Publications across the country ran versions of this story including: Columbus Business First, Houston Chronicle, Bellefontaine (OH) Examiner, Intelligencer/Wheeling News-Register, San Francisco Chronicle and the Associated Press.
  • Youngstown Vindicator regarding Ohio’s place in the U.S. oil boom (April 1, 2013)
  • “Expect Litigation Concerning ‘HBP’ Status of Leases,” Crain’s Shale Magazine (March 2013)
  • WCPN-FM regarding Ohio landowners and oil and gas leases (January 10, 2013)
  • “Sixth Circuit Says EPA Definition of “Adjacent” Under Title V of The Clean Air Act is Contrary to Plain Meaning of the Word,” Calfee, Halter & Griswold LLP First Alert (August 23, 2012)

News & Events



Licensed In

  • Ohio
  • Oklahoma 

Court Admissions

  • U.S. Court of Appeals for the Tenth Circuit
  • U.S. Supreme Court
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