Alex Heidbreder

Arrowgrass Capital Partners US LP (Arrowgrass US) is an alternative investment manager headquartered in New York City. It was founded in 2007 as a spin-out from a proprietary trading unit of Deutsche Bank AG. The firm is a subsidiary of Arrowgrass Capital Partners II LLP, which is owned by Arrowgrass Capital Partners LLP in the Great Britain. Arrowgrass US serves as an investment advisor with discretionary trading authority for private pooled investment vehicles, the securities of which are offered to investors on a private placement basis.

Davidson Kempner Capital Management LLC (DKCM) is an independent, SEC-registered investment advisor and hedge fund management firm headquartered in New York City. The firm was founded in 1983 by Marvin Davidson and Thomas Kempner Sr. DKCM provides investment advice and investment management services to private investment funds.

Millennium Management LLC is a SEC-investment advisor and hedge fund manager headquartered in New York City. The firm was founded by Israel 'Izzy' Englander in 1989 and is a subsidiary of MLM Trust B LLC, itself a subsidiary of MLM Trust B. Millennium Management provides discretionary investment advisory services to private investment funds.

Maven Investment Partners Ltd. (Maven Investment) is the investment management subsidiary of Maven Securities Ltd. in Great Britain. The firm was founded in 2011 and formerly known as Maven Trading Ltd. Headquartered in London, Maven Investment provides asset management services to individual and institutional clients.