1/11/2018 | Posted at 2:17 pm

2018 Promotions

We are excited to announce GGLO’s newly promoted staff!  The talented leaders bring diverse and wide-ranging expertise which continue to help us further our firm’s growth and success in positively shaping the communities in which we work, live and play.


Tiina Ritval LEED AP® BD+C
Senior Associate

Tiina joined GGLO in 2006 and has worked in most project roles – ranging from technical detailing to a lead design role on the Elson S. Floyd Cultural Center. Tiina believes that with every design problem there exists an elegant solution. Her passion is to find that solution regardless of scale or complexity. Her work has encompassed a wide range of scales, densities, and markets from Concept to Construction Administration. Tiina’s focus is on the design of a building’s form and façade so it fits within the neighborhood context while creating a statement. Her latest projects include the WSU Elson S. Floyd Cultural Center in Pullman, Alley 111 in Bellevue, Center Steps in Seattle, and Discovery West in Issaquah.


Don Vehige AIA
Senior Associate

Don has played a variety of roles as a design professional – architect, landscape architect, planner – in both the public and private sectors. His greatest strength is urban design which lies at the nexus of these and other allied disciplines. Whether the task at hand pertains to livable density, affordable housing, transit-oriented development, “shopping center to mixed use village” transformations, or sustainable urbanism more broadly, he consistently delivers solutions with a high-level of creativity and strategic value for his clients, and local sensitivity for the communities he serves.

Don has led planning and urban design efforts in cities throughout the western US and western Canada, but his approach and values have been fundamentally shaped by Seattle and the local design community. After spending five post-recessionary years away, Don recently returned to GGLO, where he is eager to help the firm grow it’s planning and urban design practice. Don’s notable GGLO projects include the Yesler Terrace Redevelopment Master Plan and Greenbridge Redevelopment.

Jennifer McDougall Watt AIA, NCARB, LEED AP® BD+C, HOMES
Senior Associate

Jennifer is an architect with more than 20 years of experience in designing a variety of mixed-use and residential projects with a focus on affordable and workforce housing, senior living, and housing for special needs populations and serves as GGLO’s go-to accessibility and universal design specialist.  While creating communities at all scales, she has developed a passion and understanding of how thoughtful, sustainable and inclusive design environments can improve people’s lives and benefit the community as a whole. Jennifer’s contribution to the built environment includes Aegis West Seattle, Narrows Glen Senior Community, Ash Street Workforce Housing, affordable housing at Greenbridge and Compass on Dexter.


Blake Williams AIA, NCARB, LEED® Green Associate™
Senior Associate

Blake joined GGLO in 2013. He has worked on a variety of project types at various scales from large-scale multi-family and high-rise developments to high-end single family, campus environments, master plans and mixed-use urban design. He has collaborated with artists on custom installations. Blake holds a Master of Architecture from the University of Pennsylvania and a Bachelor’s degree from the University of Washington. During his formative years, Blake traveled extensively throughout Europe and once won a fellowship for architecture studies in Japan. Prior to his return to his hometown of Seattle, he taught architecture at the graduate level in Michigan and Massachusetts. Blake served on the Northeast Seattle Design Review Board. Blake’s work has been published, exhibited and he has won design awards. Blake still uses a pen and pencil to drive his design thinking in architecture along with all the digital tools. He believes that the most humane architecture engages all the senses.

Robert Wright

Robert brought over two decades of experience to GGLO when he joined us in 2012. He understands the importance of quality documentation and clear communication and utilizes his skills to mentor younger staff to instill the same knowledge and values. He has enjoyed working on various multifamily, mixed-use projects ranging from mid-rise to high-rise towers in the Pacific Northwest including Via6 in Seattle, Alley 111 and Sparc Apartments in Bellevue, and Woodin Creek Phase 2 in Woodinville.



Justin Schwartzhoff LEED AP® Homes, Living Future Accredited (LFA)

Since joining GGLO in 2015, Justin has served as one of GGLO’s top Sustainable Design experts. He has contributed to a variety of sustainable projects at GGLO, and has been developing climate, daylighting and energy analysis tools. Justin is an active member of the AIA 2030 Roundtable, and also works with the USGBC on the GreenBuild Special Working Group. When hes not working or volunteering, you’ll find him running in the trails of the Northwest.




Originally form the Pacific Northwest, Nancy moved from Denver to Boston, before returning to continue her design career.  She applies her  passion for helping foster spaces that evoke the feeling of “home” and fond memories to many of GGLO’s multi-family and mixed-use projects. Nancy enjoys leading design teams, building client relationships and mentoring younger staff. Nancy’s been active in IIDA since its beginning (1994), and she feels it’s important to be part of a commercial design trade industry-sharing knowledge, furthering impact, strength and importance of design in our built environments. Nancy’s projects include Avalon Newcastle, The Danforth on First Hill and Aegis West Seattle.


Bron Heintz LEED AP® BD+C

Bron came to GGLO in 2015 soon after returning to his native PNW and brought with him diverse experience in sustainability, fabrication and community activism. Prior to returning to Seattle he studied historic preservation in New Orleans and traditional adobe construction in the southwest where he received his Master’s in Architecture from the university of New Mexico, with a focus on affordable housing.

At GGLO Bron finds inspiration where community centered design and well detailed sustainable materials come together. He takes pride in fostering a spirit of craft, and whether it’s sharpening a pencil or conducting whole building LCA /carbon capture research he aims to apply this ethos at all scales of design.

Sean Cahalin

Sean joined GGLO three years ago, and recently received his architecture license for the states of Washington and Maryland.  Sean is an advocate of and has led the use of parametric tools and computational design in the office, and introduced it into the everyday workflow of design.  He was an integral part in the Elson S. Floyd Cultural Center project, and has been part of projects at every scale and in various markets.  He was a leader of the Emerging Professionals group in 2017 leading efforts for the Seattle Design Festival and helping newer employees navigate the professional office.



Carissa Franks LEED® Green Associate™

Carissa believes what happens between buildings is as critical as what happens inside of them. She loves taking a project through all phases of design and construction, and does not shy away from long project timelines. She is an active participant in GGLO’s design critique culture and is passionate about developing site-specific design solutions that enhance the experience of a city and strengthen an individual’s connection to place. Carissa’s project experience includes mid-rise multifamily projects in South Lake Union to high-rise, mixed-use towers in the heart of Downtown Seattle.



Sam Beadel

Born, raised and educated on the east coast, Sam has called Seattle home since graduating from the University of Virginia’s MArch program in 2002. She joined GGLO in 2012. Sam’s architectural experience ranges from single family homes and community college remodels to hospitality, but her last few years have been spent honing her skills as a Project Architect on multi-family projects. Sam loves the challenges and opportunities that each new project brings. She believes that it is our responsibility as design professional to work with our clients to deliver projects that foster community, respect our environment and provide places people are excited to call home. Sam’s portfolio includes Woodway Town Hall, the Cedarbrook Lodge Expansion and Spa, The Carter on the Park in Redmond, and Center Steps in Seattle.

Lauren King

Lauren has always been fascinated by the experiences created by interior design from transforming a local restaurant into a destination to a distant hotel that captures the essence of ‘home.’ Lauren moved from the east coast to Seattle to gain a new perspective and joined GGLO in 2013. Over the last five years, she has become a leader for the Interior Design team and an advocate for Inclusive Design and creating holistic designs that build an optimal experience for everyone. Lauren’s experience encompasses multifamily housing and hospitality having worked on The Carter on the Park in Redmond, The Junction in Bothell,  Cedarbrook Lodge Expansion and Spa, and the Alderbrook Resort renovation.


GGLO’s principals, associates and staff congratulate these talented members on their leadership and dedication. As our firm grows and new talent is added to our group, we will continue to explore ways in which we can bring the essence of community alive in each and every one of our projects.