In the past 18 months, Gemini has added several senior leaders to its ranks. The former global head of financial crimes at Morgan Stanley, Noah Perlman, joined Gemini as its chief compliance officer; its chief security officer, David Damato, came from cybersecurity firm Tanium; its new general counsel, Sydney Schaub, has worked for Google and Square; its managing director of operations, Jeanine Hightower-Sellitto, was previously chief operating officer at the Nasdaq-owned International Securities Exchange; and former New York Stock Exchange chief information officer, Robert Cornish, came on as its chief technology officer.