As leader of AEDIS, Thang sets the strategic vision for the firm and acts as an advisor to project teams.  He also oversees the design and master planning efforts of the firm’s major projects.

Thang joined AEDIS in 1980, was named Principal in 1989 and Senior Principal in 1991.  During his term of leadership, the firm has nearly tripled in size and opened a branch office in Shanghai, China.

Thang received a Bachelor of Architecture from the California Polytechnic State University, San Luis Obispo and is a registered architect in California.  He is a member of the American Institute of Architects and a LEED accredited professional.

“Thang Do is able to take architectural language and put it in terms a person who’s a parent or teacher can understand.”

Dr. Barry Schimmel
Assistant Superintendent
Hayward Unified School District

“Thang Do is very easy to work with. He and I have negotiated contracts and developed special terms on special projects to our mutual satisfaction. He understands when I’m just looking for a concept and when I need a building built yesterday. He brought on extra people when we were in a time crunch to get things done. When it was my turn to go out for a bond, Thang was the first phone call I made. He didn’t make me explain; he just said he’d support me and came through with money we needed to get started. He gave me the courage to get the rest of the money I needed. We have a good relationship.”

Carol Gregorich
Chief Business Officer
New Haven Unified School District

“Thang Do was the perfect guy to do our master facilities plan for San Benito High School. He gave a presentation on the master facilities and brought up the sort of issues that come up every day as far as how we have to use the campus because of how we have built it. He came up with great proposals integrating the campus a little better. He’s articulate, imaginative, and a good person in the architectural business.”

Jim Koenig
Director of Fiscal Services and Operations
San Benito High School District

In his 18 years of practice, John has overseen a diverse range of projects, ranging from educational to civic, military, commercial and residential.  He served as Principal in charge for over 30 major projects, including Angelo Rodriguez High School, Cunha Middle School, James F Smith Elementary School, Carolyn A. Clark Elementary School, Ramblewood Elementary School and Hillview Public Library.

John joined AEDIS in 1991 and was named Principal in 2000.

John received a Bachelor of Architecture at the University of Arizona, Tucson and is a registered architect in California.  He is a member of the American Institute of Architects and a LEED accredited professional.

“John is very knowledgeable in all areas of school construction.“

Jim Crawford
Deputy Superintendent Business Services
Evergreen Elementary School District

“I respect and admire John Diffenderfer. He’s very helpful, knowledgeable, and skilled. He strives to address the needs of the District and is a very good lead.”

John Bayless
Superintendent
Cabrillo Unified School District

Dan serves as Principal-in-Charge for a number of clients with major construction programs.  Projects he completed or is working on include Logan High School, Logan Educational Center for the Performing Arts, Dublin High School and San Benito High School.

Dan served as Associate Principal at another architectural practice prior to joining AEDIS in 1992.  He was named Principal in 1996.

Dan received a Bachelor of Architecture from the California Polytechnic State University, Pomona and is a registered architect in California.  He is a member of the American Institute of Architects and a LEED accredited professional.

“Dan Hunsaker knows his stuff. He has good ideas on how to solve our problems. He’s realistic in terms of our constraints with money. He’s a good person to deal with in the architectural business. He clearly has an extensive background in the school facilities business. He’s also personable, and a nice guy to talk to and gab with for a few minutes before a meeting starts.”

Jim Koenig
Director of Fiscal Services and Operations
San Benito High School District

“Dan Hunsaker and I have a good relationship. He translates my ideas into schematic sketches and works with his staff to come up with what we need.”

Carol Gregorich
Chief Business Officer
New Haven Unified School District

“Dan Hunsaker is competent, knowledgeable, and well qualified. He is very good at presenting solutions and maintaining our client relationship.”

Hugh Anton
Director of Architectural Planning and Management
Pleasanton Unified School District

Todd W. Walter

Todd serves as Principal-in-Charge for several major K-12 projects as well as higher education work. In his 18 years of architectural practice, Todd has completed projects as diverse as historic restoration, police stations and parking structures, in addition to educational facilities.

Todd had been a Principal at AWG prior to its merger with PJHM to become AEDIS.  He has continued in his role as Principal in the new organization.

Todd received a Bachelor of Architecture at the University of Arizona, Tucson.  He is a LEED accredited professional.

“Todd Walter has the best interests of AEDIS and the District in mind. We have a good working relationship.” 

Karl Black
Superintendent
Milpitas Unified School District

“We’ve built a good relationship with Todd. He’s easy to work with.”  

Bob Peterson
Assistant Superintendent of Administrative Services/CBO Los Gatos/Saratoga
Joint Union High School District

“Todd has yet to not respond to me. He has always been Johnny-on-the-spot when I’ve needed him. We’ve had difficult conversations that he’s responded to positively, not defensively. I appreciate that.”  

Alan Garofalo
Assistant Superintendent
East Side Union High School District

“Todd is very, very competent. He is very knowledgeable and presents the architectural side of our projects well.”  

Van Adams
Director of Facility Modernizations
Cupertino Union School District

Joe A. Vela
Associate Principal

Joe serves as Principal-in-Charge for K-12 and community college districts, as well as Director of Construction Services.  In addition to client management, he oversees firm-wide specifications and construction standards and procedures.

Prior to joining AEDIS in 1995, Joe had a diverse professional experience in the health-care and higher education sector.  He was named Associate Principal in 2006.

Joe holds a Bachelor of Architecture from the California Polytechnic State University, San Luis Obispo and an Associate Degree in Photography from Pacific Union College, and is a registered architect in California.  He is a member of the American Institute of Architects and the Construction Specifications Institute.

June L. Yip
Associate Principal

June serves as Principal-in-Charge for K-12 and civic projects. She also oversees firm-wide quality control standards and procedures.

June's completed projects include the Hillview Branch Library in San Jose, recipient of the 2008 Honor Award by the American Institute of Architects Santa Clara Valley Chapter; and the highly-acclaimed Burbank Elementary School in Hayward. She is currently overseeing the entire modernization and building program in the Jefferson Union High School District.

Prior to joining AEDIS in 1998 as a Project Director, June spent five years in the healthcare sector. She was named Associate Principal in 2008.

June holds a Bachelor of Science in Architecture and Planning from the Massachusetts Institute of Technology, and a Master of Building Science from the University of Southern California. She is a registered architect in California, a member of the American Institute of Architects and a LEED Accredited Professional.