Lionakis | 9,501 followers on LinkedIn. Lionakis is a multi-discipline design firm with offices throughout California, and we are designing a better future. | Lionakis was established in 1909 and is a multi-discipline firm specializing in architectural, structural engineering, planning, interior design, sustainability, and graphic design services. Since 1997 and building on more than a century of diverse project experience our mission is Designing a Better Future. We excel at providing solutions for education, civic, healthcare, and commercial clients with offices in Sacramento, Oakland, San Jose, and Irvine, to better serve our clients.