- 1975Research Physiologist
- 1981[position unknown]
- 1980[position unknown]
- 1988[position unknown]
- 1979[position unknown]
- 1980[position unknown]
- 1979[position unknown]
- 1979[position unknown]
- 1976Research Physiologist
- 1981[position unknown]
- 1981[position unknown]
- 1994[position unknown]