Cornerstone Capital Management Email Format
Investment ManagementNew York, United States51-200 Employees
Cornerstone Capital Management is an investment management firm based in New York, New York. In 2018, its investment teams joined MacKay Shields LLC, and both firms are now wholly owned subsidiaries of New York Life Investment Management Holdings LLC. This places Cornerstone within the corporate structure of New York Life Investment Management Holdings LLC. In April 2026, Cornerstone Capital was recognized as a Fortune-certified Great Place to Work and a Top Workplace. The firm also announced leadership changes, including Tony Taveekanjana being named VP of Market Expansion in late 2025, reflecting ongoing governance and expansion activity.