Leadership
The team steering the work.
Great software comes from people who understand the problem and care about the people they build for. Our leadership team brings together deep experience in legal technology, product, and building companies that customers trust. In addition, they stay close to the work and close to our customers, which is exactly how we like it.
Meet our leaders.

Chief Executive Officer
Michael Dunn
At Centerbase, Michael is leading the charge in implementing a product-led growth strategy aimed at enhancing customer engagement and retention for mid-size law firms. His focus on strengthening customer relationships and integrating third-party solutions has improved the value Centerbase delivers to mid-size law firms.
Michael on LinkedIn
Chief Financial Officer
Shane Steffen
Shane is a highly accomplished senior financial executive with a demonstrated record of success serving as a trusted advisor to high-growth organizations, leading financial planning and reporting processes and managing winning strategies to achieve profitability. He is skilled in driving business development and financial solvency initiatives, as well as innovative and effective approaches to improve processes and efficiency.
Shane on LinkedIn
SVP, Business Development
Rob Joyner
Centerbase co-founder, Rob Joyner, has spent the past ten years working with law firms in legal technology. Today, he is the Senior Vice President of Business Development at Centerbase, helping law firms future-proof their technology and executing new ideas to maximize firm profitability. Rob is also co-host of the Mostly Legal Podcast, which focuses on elevating and supporting the legal administrator profession.
Rob on LinkedIn
SVP, Customer Operations
Joe Zeff
Joe leads Centerbase's customer experience initiatives, enhancing the full customer lifecycle, from onboarding and training to renewal and expansion while growing revenue and expanding margins by enhancing systems, processes, and knowledge throughout the organization.
Joe on LinkedIn
Chief People Officer
Amanda Mabrey
A seasoned HR leader, Amanda is passionate about leading people and culture and initiatives for mid-sized, scaling SaaS platform organizations. Amanda's mission is to align talent strategy with operational goals, deploy team member engagement initiatives, and serve as an HR business partner to executive and senior leadership teams, uniting team members across the organization to achieve organizational initiatives.
Amanda on LinkedIn
Chief Product Officer
Scott Cormier
Scott is an experienced product management and design leader with a passion for defining and building software that solves customer problems while creating new business opportunities. Hands-on, results-oriented professional who excels in directing all phases of complex product life cycles. Scott is always focused on the user experience and applying an agile, creative, common sense approach to the product craft.
Scott on LinkedIn
Chief Technology Officer
Vlad Mangeym
Vlad is responsible for the vision, leadership, and implementation of Centerbase's technology strategy. Among other things, that includes design and development of the technology roadmap — major technical initiatives that support strategic business programs, the definition of standards, policies, procedures and metrics that are related to technology functions, and internal/external customer communication related to technology.
Vlad on LinkedIn
Chief Revenue Officer
Casey Martin
Casey specializes in helping Centerbase achieve growth and scale through strategic positioning and excellence in execution. Casey tells stories that connect, develops strategies that deliver, leads teams that win, and creates processes that scale.
Casey on LinkedIn
Chief Marketing Officer
Trish Stromberg
Trish is a business-to-business growth executive who scales technology businesses, building their revenue engines, and their teams. She is a hands-on, yet strategic, leader known for translating market insights into clear positioning, high-performing GTM motions, and measurable pipeline and revenue outcomes. Trish is data-driven, customer-obsessed, and focused on building durable growth systems.
Trish on LinkedIn