Jack Sims

Jack Sims is a highly experienced sales and revenue performance expert, specializing in accelerating post-investment value creation for private equity, venture capital, and high-growth companies. He has a proven track record of building and scaling sales functions, driving revenue growth, and expanding market presence across EMEA, North America, and APAC regions. negotia

As a Founding Partner at Negotia, Jack focuses on advising founders and VCs on best-in-class Go-to-Market (GTM) strategies. His expertise includes developing data-driven revenue functions, providing insights into hiring sales leaders, fostering collaborative sales cultures, and ensuring accurate sales forecasting. negotia+1

Jack has demonstrated significant impact in the fintech and fraud detection sectors. At Flagright, he launched and scaled the sales function in Europe, contributing to a 365% two-year revenue CAGR. Currently, as GM EMEA at Unit21, he is responsible for expanding their AI fraud platform across the UK, Europe, and the Middle East, focusing on compliance and risk solutions. negotia+3