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William Lessard

William Lessard

Product and growth leader with finance and operations expertise

Joined June 2026
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Summary

William Lessard is an experienced professional specializing in advising early-stage leaders, drawing from a diverse background in product, growth, finance, and operations. clay
As Chief of Staff at Archive, William drove cross-functional outcomes and ensured CEO initiatives aligned with the organization's mission. clay
At HMBradley, William led product and growth efforts, successfully acquiring 20,000 customers and $600 million in bank deposits as employee #1. clay+1
His contributions in global pricing strategy and sales & marketing finance at Medallia significantly boosted ARR by over $100 million and maintained a net dollar retention rate of 110%. clay+1

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Education