Brien Colwell
Founder/CEO2023-present working on privacy and security. 2015-2022 Co-Founder and CTO HeadSpin (global device infrastructure); YC W15 Nextop; prior startup engineer and HCI researcher
Founder profile As recorded 2026-09-15
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Developer tools
Nextop
Nextop IO is a mobile content delivery network (CDN) that optimizes the path between mobile applications and back ends. It offers a client-side networking library that integrates with iOS and Android operating systems; network of proxies that speaks a custom protocol to optimize delivery times, throughput, and data and battery usage; and metrics to
Overview
Nextop IO is a mobile content delivery network (CDN) that optimizes the path between mobile applications and back ends. It offers a client-side networking library that integrates with iOS and Android operating systems; network of proxies that speaks a custom protocol to optimize delivery times, throughput, and data and battery usage; and metrics to visually monitor and debug connection quality in its users’ applications.
Nextop IO was launched in 2014.
Company description As recorded 2026-11-08
Founders & team
2team members reported
Source-reported As recorded 2026-09-15
News & product activity
Cohort membership
Winter 2015Winter 2015
Original evidence ↗Sources & observations
Profile depthverified profile
Website observationwebsite unreachable
Last website check2026-11-11
Location · source statedNot documented
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented
Source-based assessment · automated evidence rules
The source reports an inactive or acquired company; current product identity needs review.
Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.
- Product overviewSource description Checked 2026-11-08
- Product visualsNot documented
- Founders & originsTeam information
- Business model & pricingNot documented
- Funding & ownershipNot documented
- Dated milestonesDated source activity: 2015 Q1 (quarter only)
independent websitesource corroborationdescriptive evidenceclassified market and modelsourced people
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