# Prescott Nasser

> Prescott Nasser is a technology executive and entrepreneur who co-founded Sourcescrub and 280 CapMarkets. A former Sourcescrub CTO, president and CEO, he helped build private-company intelligence and bond-trading platforms, led technology at InspereX after its 2021 merger, and joined Mainsail Partners as CTO-in-Residence in 2026. He is based in Zephyr Cove, Nevada.

- **Role:** CTO-in-Residence at Mainsail Partners
- **Organizations:** Mainsail Partners, Sourcescrub, 280 CapMarkets, InspereX, Apache Software Foundation, Coit Capital Securities, Prosper Marketplace, Charles Schwab, Texo
- **Education:** BA in Cognitive Science; an earlier professional biography specifies an emphasis on Artificial Intelligence, University of California, Berkeley
- **Known for:** Co-founded Sourcescrub, which received growth investments from Mainsail in 2019 and Francisco Partners in 2021 and was acquired by Datasite in 2025., Co-founded 280 CapMarkets, developer of BondNav; became CTO of InspereX after its 2021 merger with Incapital., Contributed to the Apache Lucene.Net project, which became a top-level Apache project in 2012.

## Career timeline

- **2011** — Contributed code, documentation and website improvements to Apache Lucene.Net; website-layout issue resolved in March.
- **2012** — Discussed Lucene.Net development as the project graduated to top-level Apache status.
- **2015** — Sourcescrub founding year in the company history and contemporary investment announcements; co-founded with childhood friend Tyler Fair.
- **2016** — Co-founded 280 CapMarkets.
- **2017** — 280 CapMarkets announced his appointment as CTO on August 8.
- **2018** — Listed as a BondNav presenter at FinovateSpring.
- **2019** — Sourcescrub received Mainsail growth investment; Nasser identified as co-founder and CTO.
- **2021** — Became InspereX CTO after the Incapital/280 CapMarkets merger; named Sourcescrub president in September investment announcement.
- **2024** — Returned to full-time Sourcescrub operations as CEO in September, succeeding Jim Obsitnik.
- **2025** — Datasite announced its acquisition of Sourcescrub on August 8.
- **2026** — Joined Mainsail Partners as CTO-in-Residence.

## Achievements

- Co-founded Sourcescrub, which received growth investments from Mainsail in 2019 and Francisco Partners in 2021 and was acquired by Datasite in 2025.
- Co-founded 280 CapMarkets, developer of BondNav; became CTO of InspereX after its 2021 merger with Incapital.
- Contributed to the Apache Lucene.Net project, which became a top-level Apache project in 2012.

## Latest updates

- **—** — Mainsail identifies Nasser as CTO-in-Residence and gives 2026 as his joining year; no joining month is provided.
- **2025-08** — Datasite announced its acquisition of Sourcescrub and plans to integrate its data and capabilities into Grata.
- **2025-05** — Participated in a Sourcescrub/Filament Syfter discussion of AI, data quality and human relationships in deal sourcing.

## Links

- LinkedIn: https://www.linkedin.com/in/prescottnasser/

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Profile page: https://yespress.io/prescott-nasser
Published by YesPress — https://yespress.io
Last updated: 2026-10-25