Lisa Marie Mengwall, daughter of Karin and Lennart Mengwall of Darien, was married to Michael Steven Weinstock, son of Carol and Elliott Weinstock of Pittsburgh, Pennsylvania, on Sept. 16, 2017. Father Bryan Summers performed the ceremony at Saint John Church of Darien, and a reception followed at the Tokeneke Club. Lisa graduated from Darien High School in 2006 and from the University of Southern California in 2010. Michael graduated from Shady Side Academy in 2004 and from Emory University in 2008. He taught high school chemistry in Brooklyn for Teach for America from 2008 to 2010.

The couple met at New York University School of Medicine, where they both received their medical degree in 2014. Dr. Mengwall is currently completing specialty training in child and adolescent psychiatry at NewYork-Presbyterian Hospital. Dr. Weinstock is currently completing specialty training in otolaryngology at Montefiore Medical Center. The couple resides in New York City. They will honeymoon in Tahiti in May 2018.