The ceremony and reception took place on June 4 at the Tribeca Rooftop in New York City.
Rabbi Stanley Skolnik officiated.
Melissa Birnbaum served as maid of honor. Bridesmaids were Elizabeth Lean, sister-in-law of the groom; Brooke Agulnick; Rebecca Babcock; Rachel Farscht; Melissa Freed; Stacey Freis; and Beth Rudich.
David Lean and Brett Lean, brothers of the groom, served as best men. Groomsmen were Joshua Dickstein, Whitney Goldstein, Andrew Immerman, Alan Kessler, Brett Klein, Darren Langer and David Siegel.
Completing the wedding party were Lucille Lean and Gladys Rosenman, grandmothers of the groom; and Marion Menell, grandmother of the bride.
Michael is the grandson of the late Samuel Lean and Jack Rosenman. Allison is the granddaughter of the late Milton Menell, and Ruth and Manny Stein.
Ryan Safady and Josh Rosenberg witnessed the signing of the ketubah.
After a honeymoon throughout the Hawaiian Islands, the couple lives in New York City.