- Category : 1954-births
- Type : GP
- Profile : 2/4 - Hermit / Opportunist
- Definition : Triple Split
- Incarnation Cross : RAX Explanation 3
North American business executive and CEO of an international water and waste treatment company. She is known as "Mark the Shark" for her ferocious ambition in business.
Mark grew up on a pig farm, received her BA in psychology, an MA in international management in 1978 and an MBA from Harvard in 1990. She has twin sons.