Donald Zhang

Massachusetts Financial Services Co., do-business-as MFS Investment Management (MFS), is a SEC-registered investment advisor and mutual fund manager headquartered in Boston, Massachusetts. The firm was founded in 1924 and is a subsidiary of Sun Life of Canada (US) Financial Services Holdings, Inc., ultimately held by Sun Life Financial, Inc. (TSE, NYSE: SLF) in Canada. The firm provides investment advisory and sub-advisory services to a range of institutional clients and pooled investment vehicles. MFS is a responsible investor and signatory to the UN Principles for Responsible Investment (UNPRI).

Lazard Freres & Co. LLC provides corporate advisory, capital market, and asset management services. The company was founded on April 13, 1992 and is headquartered in New York, NY.

HarbourVest Partners LLC (HarbourVest Partners) is a private equity & venture capital firm founded in 1982 by David Brooks Zug. The firm is headquartered in Boston, Massachusetts with additional offices around the world.

Citadel Enterprise Americas LLC (Citadel Enterprise) is a hedge fund management firm headquartered in Miami, Florida. Formerly known as Citadel LLC, the firm was founded by Kenneth C. Griffin and Reade Griffith in 1990. They are a subsidiary of Citadel Group Holdings LP, ultimately held by GFH HFEVA LLC. Citadel Enterprise provides investment banking, institutional trading and fund administration services to various clients.