In mid-December, Peter Glusker ’84 was named chief executive officer of Gilt Groupe Japan and Gilt City Japan. The two companies are subsidiaries of the online luxury retailers Gilt Groupe, Inc., and Gilt City, Inc., respectively. That same week of Glusker’s appointment, Gilt City Japan launched Gilt City Tokyo, providing its members with access to Tokyo luxury services and experiences. Glusker, who joined Gilt Groupe in 2009, was previously based in New York City, running the company’s business development and international operations. “I’ve been deeply involved with Gilt Groupe Japan’s business over the past two years in my prior role…