Wannemacher Jensen Architects

Founded in 1992, Wannemacher Jensen is a thriving architecture firm in St. Petersburg, FL that designs memorable and highly functional spaces for working, living, and playing.

We do more than just architecture.









What’s different when you work with us?

Holistic Approach to Design

Our team is made up of architects, interior designers, developers, construction managers and everything in-between.  Our firm brings together a variety of professionals from different backgrounds and expertise to holistically address projects from all angles.  We carefully consider every design decision and its effect on the big picture to produce the highest quality, optimally functional, cost-effective result.

We are Collaborators

Your success is our end goal. We work with you to identify, develop, and connect organization goals to project design components. Collaborating with the ultimate end-users to produce unique, personal and context-sensitive results.


Jason Jensen, AIA, LEED AP


Jason Jensen, AIA, LEED AP, joined the firm in 2002. After gaining experience in New York City, he returned to St.Petersburg with a goal to innovate architecture for this generation in the Tampa Bay area.

Lisa Wannemacher, AIA


Lisa Wannemacher, AIA, founded the firm in 1992. Under her guidance and support, the firm has completed hundreds of projects throughout Florida, including over 250 projects in the City of St. Petersburg.

Everald Colas, AIA


Everald Colas is a licensed architect and educator with over a decade of experience. Prior to joining WJA, Everald practiced in New York City, working on commercial, aviation, multifamily, cultural, and institutional buildings throughout the US, Caribbean, China, and the Middle East.

Harold Somarriba


Harold Somarriba is an award-winning design architect and project manager. For the past 16 years Harold has successfully completed work for an extensive variety of projects that include municipal and private work in South America, the Caribbean, and South and Central Florida.

Erin McGonegle


Erin McGonegle is a licensed interior designer with over 15 years of experience designing residential, higher education, corporate office and municipality projects across the country. With a warm and personal approach to service she looks to foster genuine connections with her clients while guiding them through the design and management of their projects.