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Lionel Buhler
Senior Finance Systems & Controllership Leader specializing in ERP transformations
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About
Startup-focused finance/operations leader and long-time Controller (15+ years) who helps growing companies bring accounting ops in-house and implement scalable systems (ERP, AP invoice workflows, bank rec automation). Known for hands-on process optimization and change management—using demos and quick wins to convert resistant users and deliver measurable time savings. Works fully remote with a flexible schedule and also supports global offices on systems selection and implementation.
Experience
Education
Key Strengths
- 20+ years supporting startups (since 2004) with operational and systems build-out
- 15+ years Controller experience applied to designing practical finance/accounting processes
- Implemented AP/purchase invoice management system with vendor onboarding and manager approvals integrated to ERP, saving hours of monthly work
- Improved bank reconciliation by replacing manual process with a new solution and driving user adoption despite initial resistance
- Strong stakeholder management: listens to teams, identifies pain points, and uses demos to build buy-in
- Advises founders to bring accounting operations in-house as they scale; breaks changes into simple steps and quick wins
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