John joined Marcus & Millichap in 2007. Since then he has closed over $40,000,000 in transactions representing both buyers and sellers. While his focus is San Francisco Multifamily Investments, John has also successfully navigated the sale of mixed-use, retail, development and industrial properties.
John is fourth generation, born and raised, San Franciscan. He is a graduate of St. Ignatius College Preparatory and Saint Mary's College of Moraga. He graduated with a B.S. in Business Administration with a focus on Marketing. After college, John worked at the boutique accounting/law firm Delagnes, Mitchell & Linder, LLP where he performed tax preparation and general accounting services for individuals, partnerships and corporations. John is the oldest son of Dr. Michael & Linda Antonini.
John has been a property owner in the city since 2003, where he resides with his wife Angie and daughter Fiona. Clubs/Organizations: ULI Young Leaders Group Olympic Club SPUR (SF Planning & Urban Research) Citizens for Responsible Growth CA Association of Realtors SF Multiple Listing Service President of "Just Italian Guys" Chairman of the PPMA Memorial Foundation (benefiting the SF Fire Department and Cardiac Research)