Gregory Hahn is a partner at Bose McKinney & Evans LLP, who concentrates his practice in the areas of corporate law and business litigation, as well as insurance law, real estate law, gaming and hospitality, and state and federal representation, with special emphasis on corporations and individuals before all branches of state and federal government.

Throughout his career, Greg has represented clients such as Carl Icahn and Icahn Enterprises/Tropicana Inc.; Bally Gaming; GTech Corporation; Boyd Gaming Corporation; Station Casinos; United Gaming; Horseshoe Casinos; Hard Rock Casinos International; Cartamundi, Inc.; Trump Entertainment, Inc.; Gas America; the City of Indianapolis; the City of Fort Wayne; the country of Greece; the country of Belize; the Indiana Insurance Guaranty Association; the Indianapolis-Marion County Public Library; College Network, Inc.; Indiana University Health; the Indiana Department of Insurance; Burt Bacharach, Frank Zappa, The Beach Boys; and George Steinbrenner, among many others.

Greg was appointed by the mayor of Indianapolis to the Indiana Sports Corporation in 2000 and to the Indianapolis Private Industry Council in 2001. In 2012, he was appointed by the City-County Council to the Indianapolis Public Transportation Corporation board of directors (current president of the board). He also serves as vice president of the Central Indiana Community Foundation and is on the board of the Indianapolis Foundation (former chairman of the board), as well as the English Foundation. In addition to these appointments, Greg has served in a number of political positions including counsel and treasurer for the Marion County Democratic Central Committee and in the same capacity for the Indiana State Democratic Committee. He also has served on the National Democrat Congressional Campaign Committee and the National Democrat Senatorial Campaign Committee. He currently serves as general counsel for the Marion County Democratic Central Committee. Greg has extensive experience in serving on selection committees in hiring minority companies for projects, as well as in setting up women-owned and minority-owned businesses (MBE/WBEs).

Greg’s career has included service as chief deputy prosecutor for Marion County, Indiana and general counsel to CTS, Inc. He also served a special outside counsel for the U.S. Attorney’s Office from 1976-1980 and was appointed by President James Carter to the SALT Treaty Committee for negotiations between Egypt and Israel.  Greg also was aid to Chief Justice of the U.S. Supreme Court Warren Burger. Greg has received numerous honors and recognitions including the Sagamore of the Wabash from Governor Evan Bayh, Law & Politics, Who’s Who and Litigation Counsel of America Senior Fellow.

Greg is very involved in the nonprofit community, either currently serving or formerly served as a member of the boards of the Starfish Initiative; the Athenaeum Foundation Board; Indianapolis Foundation Board of Trustees; Central Indiana Community Foundation Board of Trustees; The English Foundation Board of Trustees; St. Joan of Arc Catholic Church; Area Youth Ministry Board; Board of Trustees of the University of Evansville; Washington Township Foundation Board; Pathways House, Inc.; Indianapolis Opera Corporation; Pleasant Run Children’s Home; Rock Steady Boxing Foundation; and the Allisonville Little League.

Greg and three of his fellow BME attorneys are the only Indiana general members of the International Masters of Gaming Law, an organization of pre-eminent gaming attorneys from around the world.


Indiana University Robert H. McKinney School of Law – Indianapolis (J.D., 1974)
University of Evansville (B.A. in history, 1971)

Honors / Awards

Best Lawyers® 2020 Indianapolis Gaming Law Lawyer of the Year; The Best Lawyers in America® 2013-2024; Sagamore of the Wabash from Governor Evan Bayh; Distinguished Barrister, Indiana Lawyer 2016 Leadership in Law; Indiana Super Lawyers® 2006-2020 (Legislative and Governmental Affairs); Who’s Who; Senior Fellow, Litigation Counsel of America; Martindale-Hubbell DistinguishedSM Peer Review Rated

Representative Matters

• First Am. Title Ins. Co. v. Robertson, 65 N.E.3d 1045 (Ind. Ct. App. 2016)
• In re City of Mitchell, No. 47A04-1602-MI-402, 2016 WL 7493402 (Ind. Ct. App. Dec. 29, 2016)
• Srivastava v. Marion County Election Bd., 2005 U.S. App. Lexis 3343 (7th Cir. 2005)
• Belford v. United States, 975 F.2d 310 (7th Cir. 1992)
• Libertarian Party of Ind. v. Packard, 741 F.2d 981 (7th Cir. 1984)
• Wuliger v. Sewell, 363 F. Supp. 2d 940 (N.D. Ohio 1995)
• Tabbert Hahn Earnest & Weddle, P.C. v. Lanza, 94 F. Supp. 2d 940 (S.D. Ind. 2000)
• In re Lee Way Holding Co., 100 B.R. 950 (Bankr. S.D. Ohio 1989)
• In re Lee Way Holding Co., 1989 Bankr. Lexis 2746 (Bankr. S.D. Ohio 1989)
 City of Lawrence v. State ex rel. IHT Capital, LLC, 670 N.E.2d 8 (Ind. 1996)
• Eyler v. Eyler, 492 N.E.2d 1071 (Ind. 1986)
• State ex rel. Marcrum v. Marion County Superior Ct., 403 N.E.2d 806 (Ind. 1980)
• Jet Credit Union v. Loudermilk, 879 N.E.2d 594 (Ind. Ct. App. 2008)
• Indianapolis-Marion County Pub. Library v. Shook, LLC, 835 N.E.2d 533 (Ind. Ct. App. 2005)
• Sheppard v. Stanich, 749 N.E.2d 609 (Ind. Ct. App. 2001)
• Belford v. McHale Cook & Welch, 648 N.E.2d 1241 (Ind. Ct. App. 1995)
• Conner Ins. Agency v. Frericks, 634 N.E.2d 84 (Ind. Ct. App. 1994)
• Koors v. Great Southwest Fire Ins. Co., 530 N.E.2d 780 (Ind. Ct. App. 1988)
• Scheetz v. Scheetz, 509 N.E.2d 840 (Ind. Ct. App. 1987)
• Eyler v. Eyler, 485 N.E.2d 657 (Ind. Ct. App. 1985)
• Kiracofe v. Reid Memorial Hospital, 461 N.E.2d 1134 (Ind. Ct. App. 1984)
• Mead Johnson & Co. v. Oppenheimer, 458 N.E.2d 668 (Ind. Ct. App. 1984)
• Bowen v. Bowen, 422 N.E.2d 423 (Ind. Ct. App. 1981)
• Chance v. Chance, 400 N.E.2d 1207 (Ind. Ct. App. 1980)
• Louko v. Louko, 384 N.E.2d 166 (Ind. Ct. App. 1978)
• Indianapolis-Marion County Public Library v. Charlier Clark & Linard, P.C., 929 N.E.2d 722 (Ind. 2010)
• Indianapolis-Marion County Public Library v. Charlier Clark & Linard, P.C., 929 N.E.2d 838 (Ind. Ct. App. 2010)
• Indianapolis-Marion County Public Library v. Charlier Clark & Linard, P.C., 900 N.E.2d 801 (Ind. Ct. App. 2009)
• Thornton-Tomasetti Eng’rs v. Indianapolis-Marion County Pub. Library, 851 N.E.2d 1269 (Ind. Ct. App. 2006)
• Indianapolis-Marion County Pub. Library v. Shook, LLC, 835 N.E.2d 533 (Ind. Ct. App. 2005)
• Robertson v. Ticor Title Ins. Co. of Florida, 982 N.E.2d 9 (Ind. Ct. App. 2012) transfer denied, 989 N.E.2d 338 (Ind. 2013)
• Zachary Mulholland v. Marion County Election Board, Case No. 1:12-CV-01502 SEB-MJD (S.D. Ind. 2014)
• Commonwealth Land Title Insurance Company, Appellant-Petitioner, v. Stephen W. Robertson, Insurance Commissioner of the State of Indiana, in his official capacity only and not in his individual capacity, on behalf of the Indiana Department of Insurance, Appellee-Respondent, 5 N.E.3d 394 (Ind. Ct. App. 2014)
• Commonwealth Land Title Insurance Company v. Stephen W. Robertson, Insurance Commissioner of the State of Indiana, in his official capacity only and not in his individual capacity, on behalf of the Indiana Department of Insurance, Appellee-Respondent, 17 N.E.3d 933 (Sup. Ct. Ind. 2014)

Appearances / Publications

“Indiana Racinos: Stay or Go?” (Casino Enterprise Management, April, 2010)

Appointments / Memberships

Indianapolis and Indiana Bar Associations; Association of Trial Lawyers of America; Indiana Trial Lawyers Association; Seventh Circuit Bar Association; International Masters of Gaming Law; American Association of Gaming Lawyers; National District Attorney’s Association; Litigation Counsel of America (Advisory Board; Senior Fellow); Trial Law Institute; Diversity Law Institute; Barrister, Order of Justitia (Litigation Counsel of America); Advocate, Order of Certus (Litigation Counsel of America); Indiana Charter School Board; Indianapolis Foundation Board (president); Marion County Democrats’ Central Committee; City of Lawrence Transition Team; Indianapolis Public Transportation Corporation Board of Directors (current president; treasurer, 2019; Finance Committee, 2018 – present; vice chair, 2017); Catholic Community Foundation, Inc. (Board of Trustees, 2015); Starfish Initiative; Athenaeum Foundation Board of Trustees (chairman, 2012); The William E. English Foundation Board of Directors; Indiana State Bar Association Foundation (Board of Trustees, 2016); American Heart Association, Men Go Red (chair, 2021); Catholic Business Exchange. Greg previously served on the board of The Indianapolis Foundation (board chair, 2016) and the Central Indiana Community Foundation (vice chair, 2021 and 2016; chairman, 2020; board member; Executive Committee member;  treasurer, 2015).


Indiana, Supreme Court of the United States, United States Court of Appeals for the Seventh Circuit, United States District Court for the Northern District of Indiana, United States District Court for the Southern District of Indiana, United States Tax Court