Mark S. Alderfer
Partner
Mark S. Alderfer is an accomplished trial attorney and partner at Due Doyle Fanning & Alderfer, LLP, with more than four decades of litigation experience. A member of the American Board of Trial Advocates (ABOTA) at the Advocate level, Mark has tried more than 150 cases. He has been selected to Indiana Super Lawyers every year since 2012 and holds Martindale-Hubbell's highest peer-review rating, AV Preeminent.
Mark represents insurers, businesses, and individuals in complex civil litigation, with extensive experience in insurance defense, insurance coverage disputes, first-party claims, bad faith litigation, premises liability, personal injury, and motor vehicle and commercial transportation accidents. His practice also includes real estate, business, and probate litigation, appellate matters, mediation, and arbitration.
Throughout his career, Mark has earned recognition for his extensive courtroom experience. The Indiana Jury Verdict Reporter identified him among Indiana's most prolific trial attorneys for more than 15 years, ranking him first in the state in 2002. He also lectures on insurance coverage, trial practice, evidence, and related litigation matters and has served as an arbitrator.
Born and raised in Marion, Indiana, Mark graduated from Indiana University Bloomington in 1980 and earned his law degree from Indiana University Robert H. McKinney School of Law in 1983. He began his legal career as a Deputy Prosecuting Attorney in Monroe County, Indiana, serving from 1984 to 1986, before entering private practice.
Practice Areas:
- Insurance Defense and Insurance Coverage
- Premises Liability
- Trucking and Commercial Vehicle Accident Litigation
- Motorcycle Accident Litigation
- Construction Accident Defense
- Workers' Compensation Defense
- Business and Real Estate Litigation
- Mediation and Arbitration
- Appellate Litigation
Education:
- Indiana University Robert H. McKinney School of Law, J.D., 1983
- Indiana University Bloomington, B.A., Political Science, 1980
Honors and Awards:
- Indiana Super Lawyers®, 2012-2027
- Martindale-Hubbell AV Preeminent Peer Review Rating
- Indiana Jury Verdict Reporter, recognized among Indiana's most prolific trial attorneys for more than 15 years; ranked No. 1 in 2002
Professional Associations and Memberships:
- American Board of Trial Advocates (ABOTA), Advocate
- Indiana State Bar Association
- Indianapolis Bar Association
- American Bar Association
- Defense Trial Counsel of Indiana
- Defense Research Institute
- Law Club of Indianapolis
Bar Admissions:
- Indiana, 1983
- Illinois, 1983
- U.S. District Court, Northern District of Indiana
- U.S. District Court, Southern District of Indiana
- U.S. Court of Appeals, Seventh Circuit





