About Delta.

Delta's wealth managers are all about building long term relationships with our clients, and helping them realize their dreams. We work with our clients so that they can reach their goals, while being able to sleep well at night. Our services are continuous, high quality, long term, and diversified. We will be with you every step of the way. Meet the staff below.

Mark Oberman

Financial Adviser

Jody Weis

Financial Adviser

Suzanne Tendler

Administrative Asst.

Millie Rector


Tiffany Graham

Director of Marketing

Nancy Rose

Administrative Asst.

Missy Carden

Mutual Fund Coord.


The President.


Bob Hardcastle, President of Delta Investment Services, has over 50 years of experience, helping clients to manage their money through a number recessions, world events and volatile markets. 

He is well-known within the St. Louis community as the host of the radio program “Money Talk”, which has aired for 30 years and is currently heard on KTRS 550AM.

In addition to his financial practice and media experience, Mr. Hardcastle has also authored four books, is an annual “Miracle Worker” for the St. Louis Variety Club Telethon, supporter of the Alzheimer’s Association, holds a place in the St. Louis Amateur Baseball Hall of Fame and is a member of the 1-2-3 Club.