Sullivan, Henry, Oggero, & Associates is an award winning residential design firm with a sterling reputation and a 58-year track record. We have participated in multiple showcase events and competitions, including five Street of Dreams, numerous Parade of Homes, and two ASID Home Shows. We have won several PRISM Awards, Texas Star Awards, National American Living Awards, and professional design awards. We have also been recognized by the Greater Houston Builders Association as "Houston's Best Custom Home Design."  

Our Partners


John Sullivan - Chairman

John is our senior partner with over 40 years experience. He is our "Big-Picture Man" - the inspirational goal setter, mentor, and magician. He is a lifelong Houston resident and graduate of the University of Houston.


Robert Henry - COO

Robert was introduced to architecture when taking high school drafting classes and worked for a designer during this time. He is a member of TIBD and is a Certified Building Designer. He is also a member of AIBD and NCBDC.


Bat Oggero - President

Bat joined the firm in 1991 and became a partner in 2004. He has a unique ability to connect instantly with a client on a personal level. Bat graduated from Texas A&M College of Architecture as a member of the Architectural Honor Society.


Trey Sullivan - VP Operations

Trey spent numerous summer breaks in our office and print room, beginning his tenure with the firm in 1994 at the age of 14. He specializes in all aspects of land planning and managing multi-urban and city projects. Trey started full time with the firm in 2002 and became a partner in 2013.

Houzz Awards