| A medical graduate of McMaster University (1976), Dr. A. Thoma completed residency training in Plastic Surgery at McMaster University (1980). He obtained additional fellowship training in Head and Neck Surgery (1981) as a McLaughlin fellow at the University of Louisville, Kentucky (1982). | |
| Head of Plastic Surgery Service St. Joseph's Hospital (1992 to present) | |
| Program Director, Division of Plastic Surgery, McMaster University (1988 to 1998) | |
| Head of Division of Plastic Surgery, McMaster University (1994 to present) | |
| Royal College Examiner in Plastic Surgery (1997-2001) | |
| Hamilton Academy of Medicine (1983 - present) | |
| Ontario Medical Association (1983 - present) | |
| Canadian Medical Association (1983 - present) | |
| Royal College of Physicians and Surgeons of Canada (1980 - present) | |
| G.A.M (Canadian Microsurgical Society ) (1985 - present) | |
| Canadian Society of Plastic Surgeons (1981 - present) | |
| American Society of Plastic Surgeons (Since 1989) | |
| American Society of Head and Neck Surgeons (1995 - 2000) | |
| Active Staff: St. Joseph's Hospital | |
| Hamilton Health Sciences Corporation | |
| Joseph Brant Hospital ( Burlington) | |