Building a long-lasting relationship with our clients is
our number one priority.

As our client, you will have a team of highly qualified professionals working for you to provide you with the best coverage for you, your family, or your business.

Serving Lebanon, Cumberland, York, and Dauphin and surrounding counties

Meet the AAdvantage Insurance Group Team

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Dennis Hamsher

CFP President

Dennis Hamsher has been in the insurance business since 1983, became a Certified Financial Planner in 1986 and started AAdvantage Insurance Group in 1996. Prior to becoming an insurance agent, he was a butcher for 15 years. Yes it is a completely different field but it has given him good roots for working and relating with people. Dennis is blessed with a loving family - his wife, Suzanne, two children, Greg and Mary, and 8 grandchildren. Dennis currently lives in Mechanicsburg, PA.

Meet Dennis
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Greg Hamsher

Licensed Agent

Greg Hamsher has 20+ years of experience in customer focused industries. Just ask about his time spent at Disney World! With a degree in International Business from Penn State, Greg spent a few years traveling extensively for a Japanese fiber optic company before missing all that makes Central Pennsylvania such a great place to work and raise a family. Greg then spent 13 years in both Retail and Commercial banking before joining the Agency. He is married to his wife Kim, and has three children - Audrey, Vivian and Henry.

Meet Greg
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Mary Stover

Licensed Agent

Born and raised in Central Pennsylvania, Mary Stover has been in the insurance industry since graduating from Loyola University in 2003. Being the daughter of President and Owner Dennis Hamsher makes this business very personal and important to her. She is happily married to her husband Justin and the proud mother of 5 boys - Jack, Michael, Isaac, William, and Luke. Mary is currently working behind the scenes in the business until the demands of raising a young family subsides.

Meet Mary
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Kimberly Altland

Licensed Agent

Kimberly has over 25 years in the insurance industry, working as an office manager, a receptionist and as a licensed agent. Kim and her husband, James, have been together for 13 years and have four children. She enjoys spending time with her kids every chance she gets. If she has any free time, she can be found with her camera taking pictures of nature or doing a photo shoot for her friends and family.

Meet Kimberly
Courtney Serrano

Courtney Serrano

Licensed Agent

Courtney is the newest member of the AAdvantage team. She is originally from Lancaster County, born and raised in Ephrata. She started out as a part time receptionist with State Farm, became a Licensed Agent officially in January of 2013, giving her almost 10 years of experience in the industry. She is happily married to her husband David for almost 7 years. She has two dogs and two cats. She currently resides in Red Lion and enjoys cooking, watching movies and relaxing at home. Being in insurance allows her to do what she loves which is helping people and building good relationships.

Meet Courtney
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