As the partner in charge of health care services, pharmaceutical and medical device investing at Fort Worth, Texas-based TPG Capital LP for the past eight years, Todd Sisitsky has no down time.

In fact, he has been part of many of the headline-making deals at TPG, which has put out more than $6 billion in equity during the last six years. Most recently, Sisitsky oversaw the acquisition of Par Pharmaceuticals, the U.S.-based maker of approximately 55 generic drugs brands including versions of Paxil and Prozac. TPG paid $1.9 billion to take the company private, making it one of the largest health care deals since the U.S. Supreme Court upheld the Affordable Care Act.

"At TPG we have been very active investors in health care over the past decade. We are excited about our portfolio and have great opportunities in front of us," says Sisitsky, who graduated from Dartmouth and went on to get his MBA from Stanford University Graduate School of Business with many others from the Morgan Stanley Class of '93, including Silver Lake Sumeru's Hollie Haynes and Peter Chung, head of Morgan Stanley's venture arm, Morgan Stanley Expansion Capital.

Sisitsky joined TPG in 2003 and quickly rose through the ranks at the firm, creating a name for himself by working on impressive deals. For example, Sisitsky was a key member of the team that closed the mammoth $5.2 billion deal to take Norwalk, Conn.-based IMS Health private in 2009 for $4 billion in cash.

When Sisitsky started at Morgan Stanley 20 years ago in the transportation group, he never imagined he would be where he is today. "I was a government major at Dartmouth with no business experience whatsoever. I had heard good things about Morgan Stanley from the people who had joined the analyst class before me. I didn't really know what I was signing up for, but I am glad I did," he says.

Glad is an understatement. Not only did Sisitsky launch his career at Morgan Stanley. He also met his wife, Holly Hagens, there. Hagens, who was a real estate analyst who also joined the bank in 1993, went on to become an investor, working at private equity firm Apax Partners and venture capital firm Domain Associates and founding Scout Venture Partners.

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