Management Team

The success of our group can be directly attributed to the high quality of leadership and the strength of our management team. Our goal is to ensure the continued success of our financial representatives by providing the proper guidance and support to help them experience both personal and professional growth.


 Andrew G Wallover

Andrew G Wallover, CLU®

Managing Director
Office 717-205-4040

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 Stephen T Guinan

Stephen T Guinan

Managing Partner
Office 610-975-9900

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 Corin Tshana Dundore

Corin Tshana Dundore

Director of Recruitment and Development
Office 717-205-4051

Corin Dundore, CLU®, ChFC® is responsible for helping to facilitate the growth of Northwestern Mutual - Lancaster through our mission statement of Enriching Lives, Impacting Communities, and Creating Legacies.  By building high-quality relationships with those in the community, she is able to help introduce new members to our team.  She is also responsible for helping to train and coach all new Financial Representatives through daily and weekly Coaching meetings.  By using a proven success model, we are able to get Financial Representatives to grow their businesses as quickly and efficiently as possible.


Corin joined Northwestern Mutual upon graduating from Elizabethtown College in May of 2009 with her degree in Business Management and Finance.  She enjoys her career because it provides an opportunity to help facilitate the growth of our Culture as well as the Financial Representative’s practices all while personally developing as a coach.  She is licensed for Life and Disability Insurance and is also a Registered Representative with Northwestern Mutual Investment Services, LLC holding both her Series 6 and 63.  Corin also obtained her Chartered Life Underwriter (CLU®) and Chartered Financial Consultant (ChFC®) designation from the American College and has most recently become a Northwestern Mutual Certified Coach.


During her spare time, Corin enjoys teaching Zumba, reading, being outdoors, participating in recreational sports, and spending time with her husband, son, and puppies.

Career Changers

Changing careers doesn't have to be daunting. Coming from many different backgrounds and occupations, our financial representatives go on to develop successful business practices. With support from a quality organization, it can be an easy transition.

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Looking for a career that allows flexibility and exceptional income potential? Do you want top-notch training, mentorship and resources? Have you been searching for a company that demonstrates a commitment to diversity and giving back to the community?

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#1 in the Financial Services Industry

- Selling Power's "50 Best Companies to Sell for Now." October 2016

Top Ten Internship for 22 Straight Years

- Vault Guide to Internships, 2018 edition

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To learn more about Northwestern Mutual Investment Services, LLC and its financial representatives, visit: FINRA BrokerCheck