Anna WinAnna Win

Anna Win, AIA, LEED AP

Managing Principal No matter the design, construction, or budget challenges along the way, architecture always brings a measure of delight for someone at the end of the day.

Ms. Win is a licensed architect with over 20 years of design, construction and project management experience in office interiors, mixed-use commercial / retail, higher education, and institutional projects. She has excellent organization and communication skills in building team rapport on her projects. She creates environments that are responsive to clients’ aesthetics, functional, operational, and financial goals.


Deborah Lesnefska, AIA

Managing Principal I love architecture because it's the perfect blend of math and art!

Ms. Lesnefska has 18 years of experience in Civic, Educational, Public and Commercial projects. She holds a Bachelor’s Degree in Architecture from Cal Poly San Luis Obispo and a Master’s Degree in Architecture with a specialization in Design and Energy Conservation from the University of Arizona. Her Master’s thesis, Sustainable Architecture as Environmental Education (SAEE): Developing an Integrative K-12 Curriculum, focused on K-12 schools with an emphasis on sustainable design as an opportunity for environmental education.

Renata Flecchia Tyler, AIA

Senior Principal Some men see things as they are and say, why; I dream things that never were and say, why not.

Ms. Tyler has over 25 years of architectural experience in planning, design and development of landmark projects for some of the top companies in North America.

Mark Bello, AIAMark Bello, AIA

Mark Bello, AIA

Senior Principal When I was young, an Architect neighbor tapped into my curiosity. I love discovering how things work, go together, simple or complex and I saw how thoughtful reflection and insightful design can dramatically alter how people interact with the environment. – Mark on why he got into Architecture

Mr. Bello has over 30 years of experience in architecture and for the past 19 years has been ATI’s primary K-12 Practice Leader. Mr. Bello was the Project Principal for the development of ATI’s Emily product line – a DSA approved series of prototypical designs that are adaptable by Districts, bid and built by General Contractors. Currently there are over 1000 classroom/classroom wings in design/construction at various School Districts throughout Califor­nia. In addition to being an expert in K-12 educational design, Mr. Bello has extensive experience with office, medical, food service, hotels, naval rehabilita­tion, custom and production housing projects.


G. Michael GoldsworthyG. Michael Goldsworthy

G. Michael Goldsworthy, R.A.

Senior Principal Work hard and figure out how to do it better.

Mr. Goldsworthy brings over 45 years of experience to the design of a wide range of solutions to contemporary environmental design problems. He has worked as designer, project architect, project field representative, and/or project manager on a great number of industrial, hospitality, retail, and other commercial projects, religious, residential, urban, and civic projects with in-place construction costs of over $900 million.

Paul DiDonatoPaul DiDonato

Paul DiDonato, AIA

Founder What I love most about my profession is that every day brings a new opportunity, a new project, a new teammate, a new client to collaborate and a welcomed new challenge. My passion is building a professional/workplace family of bright, experienced, and ambitious teammates with diverse strengths to solve problems, that to others seem to be too challenging to face. That passion is applied through ATI as we are comprised of the best of the best and talented individuals that are dedicated to our clients, as we design, create, and reimagine their environments for generations to come.

Mr. DiDonato is a founding Principal of ATI.


Phillip CairesPhillip Caires

Phillip Caires

Principal, Special Projects What I learned from my first supervisor at age 18 is as true today as it was then – talk slow and walk fast.

Mr. Caires has over 25 years of project management and research related experience encompassing both the public and private market sectors. At present he is the supervising Principal-in-Charge for blanket contracts with the Oak Grove, Pittsburg and Palo Alto School Districts as well as projects for the United States Postal Service.

Rup ChandRup Chand

Rup Chand, R.A.

Principal Architect

Mr. Chand has 20 years of experience as Architect, Designer and Project Manager on a multitude of projects of varied scope, size and complexity. He has a solid technical background and has been involved in project management, design and construction documents. Mr. Chand is a licensed Architect in the State of California.

Robert RiegelRobert Riegel

Robert Riegel, S.E., R.A., LEED AP

Principal Structural Engineer Great design happens when an Engineer thinks like an Architect and an Architect understands Engineering.

Mr. Riegel is a Licensed Structural Engineer and Architect with 35 years of experience. Mr. Riegel has extensive experience with airport-related projects and seismic retrofitting. His capabilities include interdisciplinary coordination checking, energy conservation, and construction phasing.

Roel Krabbendam, R.A., LEED AP

Associate, Senior Project Manager

Roel is a natural leader with strong design focus and a talent for problem solving and solution oriented client communications. He is a conceptual thinker with extensive experience in all aspects of architectural and interior architecture project delivery, including project and design management, on projects as large as $100M.

May Mohamed, R.A.

Sr. Associate, Architect Architecture is an adventure in space making. I am inspired with every new project to help clients imagine and create vibrant spaces where they can work, learn, and thrive.

Ms. Mohamed has over 15 years of professional experience on a broad range of architectural building types, and in all phases of project delivery. Recent project experience has been in educational projects, where she has successfully spearheaded and integrated CHPS criteria into multiple school sites.


Randy ZumwaltRandy Zumwalt

Randy Zumwalt, CEM, LEED AP

Mechanical & Utilities Infrastructure Project Manager

Mr. Zumwalt has over 30 years of experience developing facility retrofit projects throughout California. Clients include UCSF, John Muir Medical Center, Washington Hospital, Tenet Hos­pitals (San Ramon Regional, Redding Medical, and JFK Memorial) Lucile Packard Children’s Hospital, Stanford Medical Center, Kaiser Redwood City, and Catholic Healthcare West Facili­ties. Mr. Zumwalt’s Prime Mechanical, Electrical, and Plumbing (MEP) Consulting experi­ence involves developing the scope of work, phasing requirements and technically complex engineering solutions for Infrastructure upgrade projects mostly in the built environment. In the 1980’s Mr. Zumwalt was a statewide prime design-build contractor responsible for turn­key solutions that included OSHPD permitting. He has extensive background in upgrading critical 24/7 air handling units to meet Table 4A system requirement with minimal shutdown periods.

Dale FurmanDale Furman

Dale Furman, AIA, LEED AP

Associate, Project Manager

Mr. Furman has over 30 years of experience in the architecture industry and is a Licensed Architect. He is an expert in transforming schematic design drawings into high quality Construction Documents. He will work closely with our clients to define project scopes and create designs that exceed client expectations.

Alla HesseAlla Hesse

Alla Hesse

Associate, Marketing Manager There is so much beauty we ignore because we are too caught up in our world and all it takes is someone to bring it into light with a creative twist in order for it to be rediscovered. Alla Hesse on why she got into Marketing

As a Marketing Manager, Ms. Hesse’s primary function is to ensure that all marketing and business development activities upholds to ATI’s strategic vision. Her responsibilities include developing and executing all marketing campaign, as well as producing Statement of Qualifications, Brochures, and Presentations. In her tenure with ATI, she has expanded a library of marketing collateral for various market sectors, as well as directed the re-design of ATI’s website and the creation of EmilyTM’s new website, EmilyReuseDesign.com.

Jerry Xie_ATIJerry Xie_ATI

Jerry Xie, R.A., LEED AP

Associate, Architect

Jerry is a licensed architect with 20 years of experience working on a diverse range of complex building types in the US and China, including corporate office, education, government, multi-family, mixed-use development, and hospitality projects. Jerry is currently managing the design, permitting, and construction administration for several school and government projects in the Bay Area. His commitment to innovative design solution and successful project delivery is the driving force behind his design discipline. Jerry received a B.S. in Architecture from SCUT in Guangzhou, a MS in Architecture from Cal Poly San Luis Obispo. Born in China, he speaks fluently Mandarin and Cantonese and incorporates unique cultural perspective and design strategies into his project.

Sarah Ho_ATISarah Ho_ATI

Sarah Ho

Associate, Project Manager

Sarah has over 13 years of experience working in Education. She has a great understanding of the needs for OSHPD and DSA approval as well as mixing code review with great design, both functional and aesthetic, beautiful, timely, budget conscious and successful.

Gon Ng_HeadshotGon Ng_Headshot

Gon Ng, P.E.

Associate, Senior Structural Engineer

Gon has over 15 years of experience in working with complex structural and civil projects for the educational and healthcare market sectors. She is primarily responsible for structural design, providing support calculations, and preparing construction documents and specifications.

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