Dianna Petersen

CA Insurance License # 0E50238

Dianna is the founding principal owner of Definitive Insurance & Financial Services. Dianna’s primary focus is managing production while maintaining her current client base. She specializes in employee benefits for mid-sized businesses and Medicare plans for seniors 65 and better. Dianna is a native of Sacramento and received her Bachelor of Arts from California State University, Sacramento.


Over the last 20 years, Dianna has seen many transformations in the health insurance environment due to legislative changes. Her strategic approach in navigating the ever-changing world of group health insurance and Medicare plans emphasizes a commitment to provide competitive rates, compliant processes, up-to-date technology, a team of resources and hands-on service.


Dianna is committed to building strong relationships in the community and has developed a full-service team to address the diverse the needs of her clients. Her goal is to be an asset to her clients by allying Definitive Insurance with business partners of the highest ethical and professional standards.


In her free time, Dianna enjoys spending time with her loved ones, caring for her farm animals (4 sheep and 9 chickens), cooking, dancing, and listening to music.