Meet The Team!

Christopher Mazza | Owner/ Principal Broker

Christopher Mazza is Central Penn’s Owner for the past 7 years and its Principal Broker. He is licensed in PA, NJ, DE, NY, FL, MN, MD, VA, and NC. He acquired his Bachelor’s from St. Joseph’s University; then worked in New York City for his family’s business. Chris has always had a knack and interest in the insurance industry. When asked about working in insurance, Chris responds, “Insurance has always been a pain in the neck for people. My goal is to make it less of one.” Anyone who meets Chris will immediately describe him as professional and knowledgeable. He works hard to ensure his clients receive the best rates coupled with the best coverage. Additionally, Chris has served as the Former President of Chester Springs Library, Former Director of Elizabethtown Insurance Company, and the current Director of Fidelio Insurance Company. Though a successful business owner, Chris boasts his greatest accomplishment is his family: his wife, Caroline, their two sons, and one daughter. Outside of work, you may spot Chris at the gym or watching MMA.

Shirley Brobst | General Manager

Shirley Brobst manages our Bloomsburg location, and has worked with us since 2013. When asked to describe Shirley, Chris responds, “The clients love talking to Shirley. She makes the process of buying insurance painless and easy. Her worth to this organization is immense.” Prior to working in the insurance industry, Shirley worked at her family business and at a local bank. She has a son and three grandchildren, her pride and joy. Shirley enjoys helping people and continues to service our clients’ needs and exceed their service expectations. In her free time, she volunteers with her local VFW and American Legion.


Deena Bigelow |  Assistant Manager

Deena Bigelow began at Central Penn as a part-time intern and now works as our assistant manager.  She gained an Associates in Business Management from Luzerne County Community College and previously worked in Retail Management. She is learning more about the insurance industry with each day and enjoys servicing policies and helping clients with any questions they may have. In her free time Deena spends every moment she can with her daughter; they enjoy fun, educational outings like zoos, parks, and museums.


Mira Bratic | Data Administrator

Mira Bratic is a licensed Property & Casualty Agent in the state of Pennsylvania. Mira began working at Central Penn in 2018 and spends most of her time organizing Central Penn’s data and client information. Mira is a sweet and kind soul who loves providing quality service to all. When asked for a fun fact about Mira, Chris says, “She makes the BEST chicken soup!” Mira enjoys volunteering at her church and baking delicious Serbian-inspired treats for her family and friends.


Thomas Mertz | Prior Owner, Keystone Insurance Associates

Thomas (Tom) Mertz is the prior owner and broker of Keystone Insurance now powered by Central Penn Insurance. He has been in the insurance industry for the past 51 years, 20 years formerly with Columbia Life and the last 31 with Keystone. Building the business was a lifetime goal, now achieved, Tom works part-time so he can enjoy his retirement with his wife. They share two children and ten grandchildren and love to garden together.


Together, We’ll Decide What’s Best For You.

No matter where you are in the process—whether you’re doing your own research, trying to figure out what’s right for you, or just want to talk to someone—there’s a path for you.

Stop By One Of Our Two Locations

Central Penn Insurance | Exton, PA

255 Gordon Drive, #103
Exton, PA 19341


Keystone Insurance Associates | Bloomsburg, PA

996A Old Berwick Rd.
Bloomsburg, PA 17815


Get in Touch

OFFICE - 484.879.4375
FAX - 484.879.4376

Our locations

Central Penn Insurance
255 Gordon Drive, #103
Exton, PA 19341

Keystone Insurance Associates, Inc.
996A Old Berwick Rd.
Bloomsburg, PA 17815


Monday 8am-5pm
Tuesday – Thursday 8am-8pm
Friday 8am-5pm


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