SEI Appoints Longtime Executive to Oversee Stratos Technology Integration

  • Rob Wrzesniewski named Head of Stratos Technology within SEI's Asset Management business, reporting to both SEI and Stratos executives.
  • New role focuses on advisor technology oversight, platform alignment, and long-term capability development for Stratos.
  • Wrzesniewski brings 34 years of experience at SEI, most recently leading global solutions for private banking and wealth management.
  • Appointment follows December 2025 completion of first stage of SEI's strategic investment in Stratos Wealth Holdings.

This appointment signals SEI's commitment to deepening its $1.9 trillion AUM platform's integration with Stratos, a key acquisition targeting independent advisors. The move comes as wealth management firms increasingly compete on technology-enabled client experiences and scalable advisor tools. Wrzesniewski's dual reporting structure highlights the strategic importance of aligning Stratos' capabilities with SEI's broader enterprise objectives.

Integration Challenges
How SEI will balance Stratos' independent platform strategy with its own technology ecosystem.
Advisor Prioritization
Whether Wrzesniewski can align Stratos technology investments with evolving advisor needs and regulatory requirements.
Execution Pace
The speed at which SEI and Stratos deliver new technology capabilities to support advisor growth and client engagement.