The 100-Year Promise: Pathstone Federal Street co-CEOs Steve Braverman and Allan Zachariah are doing their best to walk the talk Rule number one: Don’t mess with success. That maxim might have been fixed pretty tightly in the minds of Steve Braverman and Allan Zachariah, after doubling the size of Pathstone Family Office in just five years. The growth came organically. Still, a February 2014 client advisory board meeting themed “Pathstone 2.0, The Next Generation” pondered where leadership was going to take the firm as a next stage. That question was unexpectedly answered roughly one year later when agents representing Federal Street Advisors, another multifamily office, came calling.