Kate Koop Irwin will be presenting at a free seminar entitled, “MEDICAL MARIJUANA: Cannabis Can’s and Can Not’s for Employers” on Wednesday, September 12th at The Dunlap Conference Center at St. Clair. Registration and continental breakfast begins at 8:30; Panel and discussion begins at 9:00 and concludes at 11:00. The program offers 2 PHR (HRCI) and SHRM-CP/SCP credits.