LEADERSHIP
In addition to each client’s project, WWCOT’s Partners and Principals invest in each employee, our profession, and the community at large.
With a high Partner/Principal-to-staff ratio, WWCOT’s leaders are committed to service excellence and client care, with hands-on project involvement.
They are also committed to staff development and growth with individual teaching and mentoring.
In addition to serving as Presidents of national and local AIA components, our Partners and Principals have led a variety of philanthropic organizations, which have significantly benefited our communities and society.
Chester (Chet) A. Widom, FAIA
Founding Partner
As the founding partner of WWCOT, Chet has provided guidance and mentorship for more than 40 years. He is a leader in both the architectural profession and the community.
The firm’s reputation for quality design and service is exemplified by his election as the 1995 National President of the American Institute of Architects. Currently, Chet serves on the Executive Committee of the AIA College of Fellows.
His leadership in the community is evident in his service on the City of Los Angeles Planning and Building and Safety Commissions, and the State of California Hospital Building and Safety Board.
Adrian O. Cohen, FAIA, LEED®AP
Partner
With over 33 years of broad-based project experience and leadership, Adrian is the Managing Partner of WWCOT.
His focus on exceeding our clients’ expectations is solidified by his pragmatic approach to problem solving.
Adrian’s leadership within the community has included his service as President of the Guardians for the Jewish Home for the Aging and various positions he has held with the AIA California Council and AIA Los Angeles Chapter.
Andrea Cohen Gehring, FAIA, LEED®AP
Partner
As the Design Partner for the firm, Andrea sets the tone and direction for our work. The resulting environments incite passion and excitement, yet are balanced by functional clarity and financial discipline.
In addition to serving as a Regent of the California Architectural Foundation, Andrea recently chaired the AIA National Practice Management Knowledge Community. She continues to share her design expertise with colleagues across the United States.
Pam Touschner, FAIA
Partner
As the Managing Partner of WWCOT’s Palm Springs office, Pam has gained enormous respect as a consensus builder for large and divergent constituencies. Assembling top design teams, creating a sense of collaboration with contractors, and building trust with public agencies, are just part of how clients benefit from her attention to detail.
Pam served as 2007 President of the AIA/California Council, and currently leads the profession on a variety of issues as a Regional Director of the National AIA. Her dedication to her community is exemplified by her service as 2007-09 Chair of the Riverside County Regional Medical Center Foundation.
Ben Levin, AIA, LEED®AP
Partner
As the Partner in charge of Interior Design, Ben directs the design of interior environments that reflect each client’s unique vision.
His creative edge, sustainable design skills, and in-depth knowledge of building infrastructure enable him to effectively direct the execution of superb interior environments.
Ben shares his interior design expertise with his colleagues as an active member of the IIDA.
Dean J. Vlahos, AIA, CCCA, LEED®AP
Partner
Dean is the Partner in charge of WWCOT’s Architectural Forensics Group. He identifies and mitigates construction defects in new and existing buildings, and has worked extensively on issues relating to building envelope design & failure analysis.
Dean’s expertise is in huge demand as both an expert witness and as a nationally-recognized speaker on matters of construction defect.
He currently serves as Vice President-Elect on the Forensic Expert Witness Association Board of Directors, and is active with the Building Enclosure Technology and Environmental Council and the National Institute of Building Sciences.
Tom Cestarte, AIA
Partner
For more than thirty-four years, Tom has specialized in the design of residential and senior living facilities.
He has a solid reputation among clients, developers, and contractors for the creation of nurturing environments for seniors, and for meeting all of the challenges associated with the design and construction of multi-family residential projects.
As an active member of the American Association of Housing and Services for the Aging, California Assisted Living Association, and Porter Ranch Design Review Board, Tom shares his talent for providing both highly marketable and highly livable design solutions.
Jeff Grodsky, CID
Partner
Jeff’s extensive experience in the programming and planning of tenant improvements and the design of interior spaces provides WWCOT’s clients with an unequaled knowledge of both building codes and the development of office standards.
His solid reputation in the real estate community is based upon his ability to both represent the building owner and the real estate brokerage community while at the same time providing a high level of professional services to the prospective tenant.
Jeff is a member of the Building Owners Management Association (BOMA).
Dennis Tanida, AIA, LEED®AP
Partner
As the Managing Partner of WWCOT’s Riverside office, Dennis has developed a loyal following of repeat clients who rely on his unsurpassed professionalism and commitment to successful project delivery. He pays close attention to design integrity, fosters a collaborative spirit, and thoroughly addresses his clients’ needs on each and every project he directs.
As President of the AIA Inland California Chapter and Board Member of the United States Green Building Council Inland Empire Chapter, Dennis is at the forefront of developing and addressing industry trends and issues, with a focus on sustainable design.
Christopher S. Mills, AIA
Partner
As a member of the California desert community for over 35 years, Chris has established a reputation as a leading architect and citizen. Having designed and executed a wide variety of projects, he is known for his knowledge and design sensitivity to climatic and community needs and his ability to work closely with owners and contractors alike.
With a long time commitment to the community, Chris currently serves as a Councilman for the City of Palm Springs. Prior to his election, he served on the Planning Commission, Architectural Advisory Committee, and Energy Commission, as well as a member of the City of Rancho Mirage Design Review Board.
Kaveh Amirdelfan, AIA
Partner
With more than 25 years of professional higher education and healthcare project experience, Kaveh excels at anticipating and understanding both design, technical, and code issues with a thorough understanding of both Office of Statewide Heath Planning and Development (OSHPD) and Division of the State Architect (DSA) requirements.
Through his collaborative leadership and organization skills, Kaveh has recently directed large multi-disciplinary teams on 17 major higher education projects. His reputations for successful, on-target project delivery has resulted in lasting relationships with numerous repeat clients.
Gary J. Gery, AIA
Partner
Gary is the Managing Partner of WWCOT’s Modesto office. His more than 25 years of experience involves managing a wide variety of educational facilities projects in California. He has received numerous design recognitions from the American Institute of Architects for his innovative approach and ideas in campus planning and design and various districts facilities in the Central California region.
Gary’s creative problem-solving talent, knowledge of educational facility design and planning, ability to secure DSA approvals, and effective communication and organizational skills bring success to each project that he leads.
Rudolph (Rudy) V. De Chellis, FAIA
Principal
Rudy is one of the foremost authorities in both the application of building and safety code requirements and in the planning and design of religious facilities.
His 50 years of professional experience includes 30 years on the Los Angeles Department of Building and Safety’s Building Code and Review Committee, and he currently serves on the Roman Catholic Archdiocese of Los Angeles Liturgical Design Committee.
Rudy is also the Chair of the AIA Los Angeles Chapter Building Performance and Regulations Committee.
Bill Judge, AIA, LEED®AP
Principal
Trained as both an architect and contractor, Bill is recognized as a leader in the provision of construction support services. He fosters cooperative relationships among contractors, sub-contractors, construction workers and public agency representatives.
Active in both the community and the arts, Bill currently serves as Chair of the Riverside Arts Council and is on the Board of the AIA Inland California Chapter.
Miguel Maio, AIA
Partner
Leading the firm’s healthcare projects, Miguel brings a collaborative approach to problem solving. His 21 years of experience encompasses a wide range of projects, as well as sophisticated new technology installations.
Miguel’s ability to personally connect with WWCOT’s clients and his knowledge of OSHPD and other public agency requirements consistently result in project success.
Miguel is active in the American Institute of Architects Los Angeles Chapter.
Chengzhi (Harry) Lu
Principal
Harry is the Managing Principal of WWCOT’s Shanghai office. With 23 of years of professional experience in both China and the United States, Harry balances his keen understanding of Chinese culture and traditions with solid business management skills.
Since 2002, Harry has helped WWCOT build an excellent reputation as one of the major U.S. design firms in China. Under his leadership, the firm has won prestigious international design and planning competitions in major Chinese cities.
David Sakaguchi, AIA, LEED®AP
Principal
As a leader in forensic architecture and project management, David has built a reputation for excellence in both disciplines. His expertise constantly raises the quality of the firm’s large and complex projects.
His ability to focus on issues and communicate clearly with clients and public agencies allows him to resolve a myriad of design and technical issues.
David regularly conducts the Supplemental Oral Exam for the California Architects Board and teaches courses for Construction Specifications Institute certification.
John Booker, AIA
Principal
John leads WWCOT’s stringent Quality Assurance/Quality Control and plan check process. He scrutinizes our documentation to ensure thoroughly executed construction drawings and details.
John’s 34 years of experience includes a wide range of educational, governmental and private sector work throughout Central California.
John serves on the California Architectural Foundation Board of Regents. He was President of the AIASV Chapter and served as the AIASV Director to the AIA California Council.
Mark R. Nay, AIA
Principal
Mark directs WWCOT’s Civic and Design-Build projects. He works closely with clients and contractors to streamline the increasing number of projects undergoing this emerging Design-Build delivery method.
Our clients are benefiting from his more than 25 years of building collaborative relationships with contractors through the management of large, complex projects, completed on-time and within budget.
Hraztan Zeitlian, AIA, LEED®AP
Principal
As the Director of Design, Hraztan generates design ideas through intense collaboration with our clients with the goal of fulfilling all functional, aesthetic, and sustainable objectives.
He brings our clients more than 20 years experience creating award-winning projects, including two national Chicago Athenaeum American Architecture awards and one from the AIA Academy of Architecture for Justice.
In 2008, Governor Arnold Schwarzenegger appointed Hraztan to serve on the California Architects Board.
Sam Hanna
Principal
As WWCOT’s Director of Information Technology, Sam has advanced the firm’s CAD and IT capabilities with state-of-the-art systems, innovative programs, hands-on training, and dedicated technical support.
His structuring of the firm’s transition to Building Information Modeling software (BIM) has enhanced our collaborative project development with owners and contractors.
Sam’s exceptional leadership and technical solutions at WWCOT continue to advance the efficiency and value of our services to our clients and the success of their projects.