Monday’s mass shooting in Midtown Manhattan claimed the life of Wesley LePatner, a 43-year-old executive at Blackstone, the company confirmed Tuesday morning. LePatner was among four victims killed at 345 Park Avenue when a lone gunman stormed the office building, which also serves as the headquarters of the National Football League and features other business clients such as KPMG. The shooter has been identified by police as 27-year-old Shane Tamura of Las Vegas.

LePatner served as Blackstone’s global head of core+ real estate and chief executive officer of Blackstone Real Estate Income Trust (BREIT), a property fund with a $53 billion net asset value and a $275 billion market capitalization.

The LePatner family provided a statement to Fortune, saying, “We cannot properly express the grief we feel upon the sudden and tragic loss of Wesley. She was the most loving wife, mother, daughter, sister and relative, who enriched our lives in every way imaginable.” The family noted that she was a beloved, loyal, and caring friend to many others and a “driven and extraordinarily talented professional and colleague.”

The family offered its condolences to those who have also lost loved ones, and asked for privacy in the coming days and weeks. “At this unbearably painful time, we are experiencing an enormous, gaping hole in our hearts that will never be filled, yet we will carry on the remarkable legacy Wesley created.”