Dennis Stephen Oleszkowicz, Broker with UBS Financial Services, Named in Customer Dispute Alleging Breach of Fiduciary Duty and Negligence, Among Other Misconduct

INVESTORS: UBS Financial Services broker Dennis Stephen Oleszkowicz was named in a customer dispute alleging breaches of fiduciary duty, negligence, negligent misrepresentation, suitability, Reg. BI, and violations of the Michigan Uniform Securities Act.

Dennis Stephen Oleszkowicz (CRD: 837970) is registered as a broker and investment adviser with UBS Financial Services, where he’s been employed since 2003. Previously, Oleszkowicz was registered as a broker with CitiGroup Global Markets from 1993 until 2003.

Oleszkowicz has five disclosures on his BrokerCheck report. One customer dispute against Oleszkowicz was denied. One customer dispute filed against Oleszkowicz occurred in 1987. A regulatory judgment on Oleszkowicz’s record occurred in 1983.

February 2022 Customer Dispute

Status: Pending

Allegations: Allegations as stated by Claimant: Time frame: 9/2020 – 1/2021 Allegations: Claimants allege that, contrary to the instructions of the Successor Trustee, funds in the inherited accounts were placed into a regular investment account rather than into an Inherited IRA account. Claimants allege they relied upon the Firm to ensure that documentation provided would be consistent with the objective of setting up an Inherited IRA account and deferring taxation on the funds as permitted under the tax code, and due to alleged breaches of fiduciary duty, negligence, negligent misrepresentation, suitability, Reg. BI, and violations of the Michigan Uniform Securities Act (“MUSA”) MCL 451.2509, they suffered damages of approximately $200,000.

Damage Amount Requested: $200,000.00


September 2015 Customer Dispute

Status: Settled

Allegations: Time Frame: January 2012-September 2012. Claimant alleges a failure to follow instructions to remove the restricted status of his stock shares, resulting in lost opportunity damages.

Damage Amount Requested: $50,000.00

Settlement Amount: $15,000.00


The Sonn Law Group is currently investigating allegations surrounding Dennis Stephen Oleszkowicz. We represent investors in claims against negligent brokers and brokerage firms. If you or your loved one experienced investment losses, we are here to help. For a free consultation, please call us now at 866-827-3202 or complete our contact form.