Highland Capital Management, a Dallas-based investment management firm, has hired Nikki Aquino Gill as director of Business Development and David Lyon as director of Client Services. Mrs. Gill is responsible for developing and executing the firm’s global growth initiatives related to new products, fund formation, strategic growth and asset gathering. She was most recently director of Global Markets with Bank of America Merrill Lynch. Mr. Lyon is responsible for the guidance of prospective investors through due diligence and funding processes and overseeing ongoing client service and communication. Prior to Highland, he was a director at TPG Capital where he maintained and reviewed internal and external performance reporting. Highland specializes in credit strategies, including distressed control private equity.