My Mission

To protect and grow the most important elements in our client's lives. We may challenge conventional thinking, but will always apply sound principles on the way to financial goals. Building long term relationships and knowledge about the industry is at the heart of our success.

Professional Background

Brook specializes in working with healthcare professionals and buisness owners. Having spent his early professional career building, managing and selling his own veterinary medical practices, Brook is familiar with the challenges and needs of any professional who values the continuation and legacy of their own business and estate. After the financial crisis of 2008, Brook started to make the transition from the medical field to the financial industry. Having initially developed a passion for his family's financial well being and security, his commitment and passion grew to helping others do the same. Brook's office is  located in Edmond, OK.


Education      B.S., M.S., Ph.D. and DVM   

United States Naval Acadamy

Shepherd University 

Mississippi State University

University of Southern Mississippi                                                                         

The Northwestern Mutual Difference

Backed by the strength of Northwestern Mutual, my team and I provide you with a balanced approach to achieving your goal of financial security, assuring that your intentions have been understood and your needs are being addressed. And when it comes to implementing solutions, the full capabilities of Northwestern Mutual are leveraged to provide you with exclusive access to a comprehensive variety of products and services.

Brook Mayberry, Ph.D., RICP®

Financial Advisor

If you live for it, we’ll help you plan for it.

See what our version of financial planning looks like.

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Good News for Our Clients

In 2018, we expect to again lead the industry in total dividends paid to our clients. Read more.

How Much More Room Does This Economy Have to Run?

The Dow is reaching record heights, but is there growth left? Should investors be ready for a downturn? Our experts weigh in on how likely it is that investors will see growth and what causes markets to change course.


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