Highland Capital Management L.P., a global alternative asset manager based in Dallas, has promoted Trey Parker to co-chief investment officer, the firm announced recently.

Parker will join Highland co-founder Mark Okada in the CIO role overseeing the firm’s $13 billion investment platform.

Parker joined Highland in 2007 on the investment team. He became head of the firm’s credit research platform while also serving as the portfolio manager on a number of credit funds. Parker was named a partner in 2015.