# Dan Schleifer

> Dan Schleifer co-founded ChartIQ and Finsemble and became president of interop.io when Finsemble merged with Glue42 in June 2023. After stepping away from daily operations in 2026 while retaining a board seat and shareholding, he moved into fintech advisory work at Royal Park Partners, whose current team page lists him as a managing director. His career spans financial data visualization, desktop interoperability and enterprise software marketing.

- **Role:** Managing Director at Royal Park Partners; Co-founder and Board Member at interop.io
- **Organizations:** Royal Park Partners, interop.io, Finsemble, Cosaic, ChartIQ, BrokerBotics, SAVO Group, Trustwave, SecurePipe
- **Known for:** Co-founded financial charting business ChartIQ, acquired by S&P Global in a transaction that closed in January 2023., Co-founded Finsemble, launched in 2017 to connect financial desktop applications., Helped bring Finsemble and Glue42 together as interop.io in June 2023 and served as the combined company’s president.

## Career timeline

- **Before 2012** — Worked at software businesses including SAVO Group, Trustwave and SecurePipe; his background included product and corporate marketing.
- **2012** — Co-founded ChartIQ in Charlottesville, Virginia; the early office was a barn previously renovated as a Dave Matthews Band recording studio.
- **2017** — Launched Finsemble within ChartIQ to connect financial desktop applications; ChartIQ also joined the Symphony Software Foundation.
- **2020** — Led Cosaic, the business encompassing ChartIQ and Finsemble.
- **2023-01** — ChartIQ sale to S&P Global closed January 1 and was announced January 5; Finsemble subsequently continued independently.
- **2023-06** — Finsemble merged with Glue42 to form interop.io. Schleifer became president; Leslie Spiro became CEO.
- **2024** — Represented interop.io in public discussions of FDC3, open standards and T. Rowe Price’s trading-workstation project.
- **2026-02** — Stepped away from daily operations at interop.io, retaining his shareholding and board membership; subsequently announced joining Royal Park Partners as senior advisor.
- **2026** — Royal Park Partners’ current leadership page lists Schleifer as managing director leading US operations from New York.

## Achievements

- Co-founded financial charting business ChartIQ, acquired by S&P Global in a transaction that closed in January 2023.
- Co-founded Finsemble, launched in 2017 to connect financial desktop applications.
- Helped bring Finsemble and Glue42 together as interop.io in June 2023 and served as the combined company’s president.
- Led businesses participating in FINOS and FDC3 open-standards collaboration.

## Latest updates

- **2026-07** — Published “ARR Is Breaking. Here’s What’s Replacing It.” on July 17, discussing contracted, consumption-based and outcome-based revenue.
- **2026-02** — Publicly stepped away from interop.io daily operations while remaining a shareholder and board member; announced joining Royal Park Partners as senior advisor.

## Links

- Website: https://www.royalparkpartners.com/
- LinkedIn: https://www.linkedin.com/in/danschleifer
- Twitter/X: https://x.com/dschleifer

---

Profile page: https://yespress.io/dan-schleifer
Published by YesPress — https://yespress.io
Last updated: 2026-10-21