Gray & Company, an independent investment advisory firm, has made several personnel changes in its leadership team. Yolanda Waggoner-Foreman, the firm’s chief administration officer, and Robert C. Hubbard, its chief operating officer, will assume the roles of co-CEOs, effective immediately. Both will be responsible for the day-to-day management of the company. Laurence O. Gray, who is currently president and CEO, will continue in his role as president of the company while transitioning out of daily management. Peter Lupoff, who was previously CIO of Gray’s alternative investment division, has been named CIO of the entire firm.

Highbridge Capital Management has named Scott Kapnick CEO of the firm. Kapnick will be succeeding Glenn Dubin, co-founder of Highbridge, who will stay on as chairman. Kapnick joined Highbridge in 2007 to run Highbridge Principal Strategies, the firm’s global credit and private investment platform. Prior to joining Highbridge, he worked at Goldman Sachs, most recently as a member of the firm’s management committee and global co-head of investment banking. Based in New York, Highbridge is an alternative investment management organization.