

Product Manager at BigMarker
Product Manager at BigMarker
Kateryna Serhiyenko is a cross-functional Product Manager with 4 years of experience building smart, user-centric products in B2B SaaS and event tech. She operates at the intersection of strategy, UX, and execution - shipping complex products from 0β1 and at scale, including AI products and workflows, mobile event apps, admin interfaces, and enterprise platforms used by Fortune 500 companies. Beyond product delivery, Kateryna mentors aspiring and early-stage product managers and actively contributes to product leadership communities.