[3] He is the chef and owner of multiple restaurants: Good Stuff Eatery, Santa Rosa Taqueria, and We, The Pizza in Washington, D.C.

In the summer of 2017, Mendelsohn closed his restaurant Béarnaise in Washington's Capitol Hill and opened Santa Rosa Taqueria in its place.

[4] In 2019, Mendelsohn opened PLNT Burger, a vegan restaurant featuring Beyond Meat, inside Whole Foods Market in Silver Spring, Maryland.

Mendelsohn has since worked for culinary chefs such as Gerard Boyer in Reims, France; Thomas Keller of The French Laundry and Bouchon in Napa Valley, California; Sirio Maccioni of Le Cirque; and Drew Neiporent's Mai House in New York City.

[17] Following the Prez Obama Burger, Mendelsohn added the "Michelle Melt" to the Good Stuff Eatery menu in collaboration with White House chef Sam Kass to honor the First Lady's frequent visits to the restaurant.

[18] Mendelsohn has served as chair of the Washington, D.C., "D.C. Food Policy Council" since his appointment by mayor Muriel Bowser in February 2015.

[26] In 2019, Mendelsohn opened PLNT Burger, a vegan restaurant featuring Beyond Meat, inside Whole Foods Market in Silver Spring, Maryland.