Lewis has 10 years of experience in leading analytical and data science teams in a variety of industries and applications to reduce costs, drive innovation, and improve performance. Lewis applies the leading edges of technology and analytical methods to find and develop impactful business change.
Clients benefit from his technical expertise in data strategy, machine learning and analytical techniques to tackle their most challenging problems. He has experience across multiple industries, including marketing, insurance, logistics, retail and industrials building the culture, teams and capabilities to become data-driven organizations.
Lewis also regularly develops code and advises clients in the Web3 space on tooling, security, DeFi and smart contracts. Most recently, he has been critical in the development of custom tools & analytical techniques to reconstruct the books & records of a major cryptocurrency exchange during a bankruptcy investigation matter, doing so across multiple high-volume blockchains.
Key engagements and career highlights:
- Launched a personalized recommendation system for a luxury retailer across an e-commerce platform and marketing channels; oversaw the development, testing, deployment, and monitoring of the system; achieved an average sales uplift of 34% across three business units.
- Drove an 8% reduction in loss ratio for a telematics insurer by using customer-driving behavior modeling to highlight elevated-risk customers.
- Created a logistics optimization model for a consumer service business, resulting in an estimated saving of £30 million over three years.
- Significantly reduced the use of temporary workers to fulfill airport service requirements, resulting in a £2-million annual cost saving.
- Technical SME on large-scale cryptocurrency exchange bankruptcy, leading efforts to facilitate the reconstruction of books & records across tens of blockchains for a multi-billion dollar exchange.
- Built custom valuation and decoding for major Ethereum DeFi protocols and related transactions, surpassing coverage of commercial analytics providers.
- Developed analytical tools to quantify, price and analyze a historical DeFi portfolio worth $3bn+ across L1 and L2 EVM chains.
- Developed Borsh decoder for Solana transactions to index complex on-chain activity.
