Jason Diamond is the Founder and Managing Partner of Argonaut Capital.

Raised in a real estate family, Jason treats every asset as a long-term commitment to both communities and investors. He values honesty, strong relationships, and coordinated execution-principles that guide Argonaut’s stewardship: clear plans, disciplined risk management, and transparent reporting. With experience across brokerage, operations, and institutional investing—and as co-founder of Vandelay Partners—Jason focuses on compounding value over time through teamwork and accountability.

Experience & credentials

  • ~20 years in institutional and private real estate; ~$1B in closed transaction volume across asset types.

  • Specializes in sourcing, structuring, underwriting, and executing transactions; adds unique value through deep relationships and experience with both private and institutional investors.

  • Prior roles in capital markets/leasing with Jones Lang LaSalle (Dubai, UAE) advising on $3B+ of mixed-use office and commercial developments.

  • USC Master of Real Estate Development (MRED) ; University of San Diego (NCAA Division I Men’s Golf).

On the weekends you will find Jason surrounded with his beautiful four kids coaching sports, spending time outdoors, and trying to create as many family golf days as possible.