Observed Signal · Feb 24, 2026 · Hiring · Source: AdExchanger · Impact: 2/5 · Sentiment: Positive
59A's Unique Approach: Merging Online and Offline Data
59A, a custom-algorithm media-buying company founded in the UK six years ago, has officially expanded into the United States and appointed Jon Nash as its first US CEO. The firm has served US clients for three years prior to the formal expansion. 59A builds bespoke algorithms for advertisers by combining online signals (platform and first-party data) with a wide range of offline and open-data sources to identify who, where and when target audiences are most likely to convert. Its development process is described in three stages — thinking, doing and learning — where the business intelligence and strategy team curates and rates data points, constructs algorithms, deploys them across platforms, and then refines models based on campaign outcomes. 59A positions this approach as an alternative to relying solely on walled‑garden platform data.
Company expansion and US CEO appointment signal scaling of a niche adtech approach—custom algorithms that integrate offline data—which may offer advertisers an alternative to platform-only targeting but is not a major platform-level or regulatory shift.
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Key Takeaways & Evidence Grounding
- 59A launched in the UK six years ago and has operated in the US for three years prior to its recent formal expansion.
- 59A officially expanded into the United States last week and appointed Jon Nash as its first US CEO.
- 59A’s Founder and CEO is Adam Ray; Anthony Farley is VP of scale.
- The company builds bespoke media-buying algorithms by combining online platform and first-party data with offline and open-data sources, and it follows a three-stage process: thinking, doing and learning.
- Competitors mentioned in the custom-algorithm space include Chalice and Scibids (owned by DoubleVerify).
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Recent verified developments and strategic activity across this market segment.
59A Boosts US Growth with New Leadership Team
UK ad tech firm 59A has appointed Jon Nash as US CEO and Danny Moggs as SVP of Sales to accelerate its North American expansion. Although 59A has operated in the US for three years, the hires will provide in-market leadership to deliver its custom algorithmic service to more US clients and will spearhead a formal US launch from a Venice Beach hub in Los Angeles. Moggs brings more than 15 years of ad tech experience, including senior roles at Yahoo and Teads. Founder and CEO Adam Ray and industry contacts at Stagwell and Dentsu praised the move. 59A’s technology creates customised algorithms applied across major buying platforms and assessed via a bespoke learning process.
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