John is a Salas O’Brien founder and leads the firm’s California offices and has been involved in some of our most technically complex work anywhere. His passion for sustainability is a hallmark of the Salas O’Brien approach.

Arnold leads Salas O’Brien Pacific Northwest offices and is well-known for his authenticity and ability to foster relationships, as well as his ability to solve problems and keep the client’s end goal in mind.

John leads Salas O’Brien’s structural operations and has built a team of experts who are passionate about aligning current industry practices and emerging standards.