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PariSima Hassani


CEO - Managing Principal

“Great design should unfold like a great novel, song or symphony – it may be complex beneath the surface, but its message should be simple and universal.”

Sima built the firm on the belief that the best projects result from a strong partnership between Westgroup and its clients, building trust, creating memorable experiences and providing design solutions whose message is simple and universal. As the founder and Managing Principal of Westgroup Designs, Sima ensures that the successful delivery of each and every client’s vision remains the primary focus of the project team. She leads by example, committed to working smart and leveraging the talents of her staff, while encouraging and supporting their growth and curiosity.

Sima recently received the coveted Entrepreneur of the Year, Orange County Global Woman Award, and welcomed the honor of having Westgroup Designs selected as one of Orange County Business Journal 2015 and 2017 lists of Best Places To Work.

Sima earned her Bachelor of Art and Science degree from the University of Houston, a Bachelor of Architecture from Kansas State University, and a Certificate in Campus Design from Harvard Graduate School of Design.

Advice PariSima Still Lives By:
“The true sign of intelligence is not knowledge but imagination.”
– Albert Einstein