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Mike Kastrop - Kastrop Group Architects

D. Michael Kastrop, AIA

President, Principal Architect

D. Michael Kastrop, AIA, has been a licensed architect for over 35 years.  Prior to founding his own firm, Mike worked for four different Bay Area architectural firms over the course of 10 years, beginning as a Project Architect, then Associate Architect and finally a Partner.

He is certified by the National Council of Architectural Registration Boards, On the Board of the San Mateo Chapter of the American Institute of Architects and is the former president of the Redwood City Downtown Business Group.  He has extensive experience in retail, commercial, religious, industrial, recreational and residential projects.  His designs combine technical functionality with artistic forms to create beautiful living and working environments.  He consults on handicap accessibility issues and feng shui (the ancient art of design, promoting balance, harmony, and well-being).  Mike has received awards in the fields of residential, retail and commercial design.


In his free time, Mike likes to play guitar and sing for his church music group.  He is an avid sailor, and has won numerous regattas and awards with his Catalina 30 sailboat "Goose" on the San Francisco Bay.

Brian Villavicencio

Brian Villavicencio, Assoc. AIA

Project Manager

Lorianna Kastrop - Kastrop Group Architects

Lorianna Kastrop

Vice President, Chief Financial Officer 

Lorianna has over 40 years of financial analysis experience and also handles human resources for The Kastrop Group, Inc., Architects.  Her specialty is contract management and reporting, to keep projects on budget and within estimates. She has a B.A. in International Relations from Stanford University.


She is very active in community service and has served on many non-profit and government boards.  She served on the Redwood City Port Commission since 2008 and is the first woman ever to be elected Chair of the port’s Board of Commissioners.  Her passion project is working with several agencies to establish public ferry service from Redwood City to San Francisco and Oakland, which she hopes will happen by 2026.


Lorianna received the prestigious Athena Businesswoman of the Year Award from the Redwood City/San Mateo County Chamber of Commerce in 2001.  She established the award-winning annual Redwood City PortFest public festival and was a co-founder of the very popular Hometown Holidays winter festival in downtown Redwood City.  She also co-founded the Redwood Village Business Association, the Sequoia High School Boosters Foundation, and the Redwood City Mothers Club.  She served in elected office from 1997-2001 on the Redwood City School District Board of Trustees. 

Lorianna is happy to be meeting people in the community on a constant basis. "I believe that participating in organizations that improve our community and our world is the best way to promote our business. If people know that we care about others, they will trust us to take care of them and their project."


She loves singing, sailing, camping, listening to audiobooks and podcasts, and watching the Golden State Warriors and the San Francisco Giants.  Her favorite activity is babysitting her two-year-old grandson Chase!

Brian began his career early by acquiring an internship from a Licensed Architect as soon as he graduated from high school and worked throughout college.  Several architecture-related scholarships were awarded to him through his education.  He was the AIAS Chapter President for The College of San Mateo and the University of California at Berkeley.  As a volunteer for Habitat for Humanity, he worked numerous years and was promoted to a Project Team Leader in several blitz builds.  He worked as a residential designer for a time and contracted with several projects on the peninsula.  To round out his experience, he chose to work for a structural engineer, a civil engineer and a general contractor for a few years.  He is familiar with computer aided design and drafting and converted many of his former employers from hand drafting to take advantage of technology.

Brian has been with The Kastrop Group since 2004 and manages many of our residential and commercial projects.  He has been promoted to Project Manager and is involved in all projects from the initial potential client meeting, through the design and construction documents phase and also construction administration. He participates in 100% of the office workload from sole management to peer-to-peer plan checking and review. He is construction detail oriented and with an emphasis on cost sensitivity and construction practicality. His project type experience is varied and he enjoys a wide spectrum of challenges.  To further his education he has enrolled in the Building Inspection classes at The College of San Mateo to expand his breadth of knowledge and network.  He has passed all the parts of the ARE (Architectural Registration Exam) and is currently studying for the CSE (California Supplemental Exam) to obtain his California Architect’s License.

Marie Barron

Marie Barron, AIA

Project Architect

Marie graduated from UC Berkeley in 2014 with a Bachelor of Arts in Architecture and a Minor in Sustainable Design. Returning to her hometown of Redwood City, she joined The Kastrop Group in September of 2014 and obtained her California Architect’s License in early 2022. She is excited to be part of a firm that is so invested in local development and has such a wide variety of projects. She grew to love architecture in part from traveling, often to France where her mother grew up.

She enjoys the problem solving and creative demands of the practice, as well as the responsibility of creating marketing graphics for the firm and updating the website.  

Are you innovative and a go getter?

Interested in Joining our Innovative Team at Kastrop Group Architects?

Head to our Job Openings Page to find out more

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