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Mike
Lemire
Executive Coach, Customer Success Advisor
Mike Lemire is the founder of Harmonic Leadership and one of the more unusual people you'll meet at a CS event: an operator who has actually built the teams, scaled the systems, and then turned that experience into a practice helping others do the same. His CS career spans some of the most formative growth stories in SaaS. At HubSpot he launched the Professional Services team, working with executives from small business to Fortune 100. At Notarize he built the Customer Success, Support, and Onboarding functions from the ground up. His most defining chapter was at Toast, where he joined the leadership team to create a more scalable CS organization and helped grow the customer base from 10,000 to over 100,000, with a focus on data, operational excellence, and culture, through and beyond the company's IPO. After Toast, Mike spent time in AI-driven healthcare at Overjet as VP of Customer Success, where he discovered that the work he loved most was developing the people around him. That realization led to the launch of Harmonic Leadership in 2024, where he now works with CS leaders and teams as a fractional executive, strategist, and facilitator. Mike's workshop style is practical and participatory. He doesn't lecture. He designs experiences where teams do the real work together, leave with something concrete, and know exactly what to do on Monday morning.
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21 January 2026 11:45 - 12:30
Coaching hour: Build your CS organization career ladder
This highly interactive coaching experience gives Customer Success leaders and practitioners direct access to expert guidance on building and scaling effective CS career ladders. Instead of sitting through another presentation, attendees will join a hands-on working session led by one of two experienced Customer Success coaches: Mike Lemire or Rob Zambito. Together, Mike and Rob will guide participants through the core competencies, expectations, and growth paths that define great Customer Success work at every level—from individual contributor through senior leadership. Through practical exercises, peer discussion, and real-world frameworks, attendees will begin building a career ladder they can apply to their own teams and organizations. Participants will leave with a working competency framework and actionable ideas they can immediately use for career development, hiring, performance conversations, and organizational design. Coaches: Mike Lemire & Rob Zambito — Build your CS organization career ladder A hands-on session focused on creating a clear, scalable career ladder for Customer Success teams. Participants will explore the skills, behaviors, and competencies required at each level and use those insights to map growth paths for their teams and themselves. By the end of the session, attendees will have a practical framework they can take back and apply immediately.