Don is a member of the The Missouri Bar, Illinois State Bar Association, The Florida Bar, Defense Research Institute, American Bar Association and Missouri Organization of Defense Lawyers. He is also a registered pharmacist in Illinois and Iowa.


Don is the author of "Strategies for Using Learned Treatises During Examination of Experts: Comparison of Federal and State Rules" 16:1 Toxic Torts (DRI 2013); "Chapter 18: Bench Trials," in Missouri Methods of Practice—Litigation Guide (West Publications); “Institutionalized Mental Health Patients' Right to Refuse Psychotropic Drugs” 6 J. Legal Med. 107; and “Confidentiality of Organ Donor Registry Records Versus the Interest in Preserving Human Life: A Proposal” 5 J. Legal Med. 117.