TA Associates has hired Jeffrey C. Hadden and Kevin L. Masse to fill two newly created senior roles with the firm. Mr. Hadden joins as chief operating officer and general counsel, with responsibilities over the general oversight of the firm's global non-investment operations. He was previously with Goodwin Procter. Mr. Masse joins TA Associates as chief portfolio officer. He will focus on driving the value of the firm’s portfolio in conjunction with TA investment committees. He was formerly a partner at Deloitte & Touche.