Our Staff

We are a small team of talented professionals with a wide range of skills and experience. We love what we do, and we do it with passion. We look forward to working with you.


Robert Duitz, EA

Founder / CEO

Robert Duitz prepared his first tax return in 1973 and has been an Enrolled Agent since 1977.  He received his Bachelor of Arts Degree from UCLA in 1971 and is a graduate of the National Tax Practice Institute. He founded RD’s Tax & Bookkeeping Service (now RD’s Tax Strategies, Inc.) in 1975.

Mr. Duitz is an experienced professional in: complex real estate transactions, complexities associated with employee stock purchase plans (ESPPs), and incentive stock options (ISOs), 1031 exchanges, small business acquisitions and dispositions, tax planning, and handling difficult situations with the Internal Revenue Service.

Email: eawizard@rdstax.com


Jason Marino, EA

President / Tax Advisor

Mr. Marino is an Enrolled Agent, and earned two bachelor’s degrees from New Mexico Tech in Computer Science and Business Administration in 2000.  He currently prepares personal, trust and entity returns and conducts complex tax law research for all audit representation cases for clients of RD’s Tax.  He supervises all Tax Review staff, as well as coordinates bookkeeping work.

He became a partner of RD’s Tax in January, 2015. 

Email: jason@rdstax.com


Teresa Marino

Chief Operations Officer

Ms. Marino has been working with RD’s Tax since 1992. She currently functions as the COO and General Manager. She has a Bachelor’s Degree in History from San Jose State University, and became a partner of RD’s Tax in January of 2015.

She is a member of the National Notary Association.

Notary Commission #: 2125274. Notary appointments can be made through the Reception Desk. 

Email: teresa@rdstax.com


Harjit Singh, EA

Senior Tax Associate / Bookkeeping

Mr. Singh has been working with RD’s Tax since 2014. He holds a degree in Accounting from San Jose State University and currently manages all Bookkeeping for RD’s Tax. He specializes in a wide range of business tax returns, and works alongside Mr. Marino on most audit cases.

Email: taxpro@rdstax.com


Sharada Kudlur, EA

Senior Tax Associate

Ms. Kudlur began working for RD’s Tax in 2017, and specializes in tax return preparation and review. She assists Mr. Marino in managing workflow for the tax review staff, and assists with most audit cases. She has a Master’s Degree in Taxation from Golden Gate University and a Certificate in Accounting from UC Santa Cruz Extension. She attained her Enrolled Agent license in early 2020.