Private equity firm TA Associates has added to its investment staff in its Boston and Menlo Park offices.

Ethan K Liebermann and Emily C McGinty have rejoined the firm as vice presidents in the healthcare and consumer group in Boston. Jason S. Mironov has joined the firm as a vice president in the services group in Menlo Park.

Liebermann focuses on investments in healthcare, consumer, retail and other services companies. Prior to attending graduate school, he served as an associate at TA Associates, responsible for investment origination, transaction execution and portfolio management in the firm’s healthcare and consumer group. Liebermann earlier served as an analyst with Banc of America Securities in the global healthcare corporate and investment banking group.

McGinty focuses on investments in consumer, education and other services companies. Prior to attending graduate school, she served as an associate at TA Associates, responsible for investment origination, transaction execution and portfolio management in the firm’s services group, with a focus on the education and consumer sectors. McGinty was previously an analyst with J.P. Morgan Securities in the consumer, healthcare and retail group.

“As associates, Ethan and Emily proved valuable contributors to TA on a number of fronts, particularly our deal sourcing and due diligence efforts,” says Richard D. Tadler (pictured), chairman, TA Associates and head of the Boston office healthcare and consumer group. “We welcome their return, and look forward to their involvement in further growing successful investments in the healthcare and consumer markets.”

Mironov focuses on investments in business, financial, consumer and other services companies. Prior to attending graduate school, he served as an associate with Spectrum Equity Investors, sourcing and evaluating investment opportunities and participating in all aspects of the investment process, including deal generation, transaction negotiation, structuring, execution and portfolio company management. He was previously an analyst with J.P. Morgan Securities in the consumer, healthcare and retail group, both in the US and South Africa.