Tata Asset Management Monday said it has appointed Danesh Mistry as head of portfolio management services in order to strengthen the division, which will focus on a niche segment of clients through tailor-made portfolios. Mistry, who until now, managed multiple equity mutual fund schemes, is mandated to build the portfolio management services (PMS) vertical. He is now designated as head of PMS, Tata Asset Management said in a statement. He has over 16 years of experience spread across fund management, equity research, mortgages and investment banking including private equity and capital markets.