Cassandra Tomkin
Sr Vice President, People & Culture @STACK Infrastructure
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WORK HISTORY
Sr Vice President, People & Culture @STACK Infrastructure
Senior executive leading the People & Culture function with full accountability for talent, total rewards, HR operations, and organizational effectiveness across the U.S. and Canada. Partner to CEO and executive leadership team to drive workforce strategy, organizational design, and enterprise transformation initiatives- Architected and scaled People & Culture function - Led enterprise HR transformation, including Workday implementation and AI-enabled HR operations- Redesigned talent acquisition model, improving speed, quality, and cost efficiency- Established total rewards strategy, including transition to self-funded benefits model- Built workforce planning and succession frameworks aligned to long-term business strategy- Elevated organizational health, increasing eNPS and retention- Serve as strategic advisor to executive team on talent and organizational decisions
EDUCATION
Miami University
B.S., Business Economics
SKILLS
ABOUT CASSANDRA TOMKIN
Strategic People & Culture executive and board advisor with 20+ years of experience guiding organizations through growth, transformation, and operational scale across global and multi-regional environments. I partner with executive teams to align talent strategy with business performance—leading initiatives across organizational design, workforce planning, total rewards, and leadership development to enable sustainable growth. My experience spans high-growth, post-acquisition, and globally distributed organizations, with a consistent focus on building scalable infrastructure, strengthening culture, and improving organizational effectiveness. Currently, I lead the People & Culture function at STACK Infrastructure, supporting a workforce across the U.S. and Canada. I have led enterprise transformation initiatives including Workday implementation, AI-enabled HR operations, and the redesign of talent acquisition, compensation, and benefits strategies to improve efficiency, retention, and employee experience. I am particularly passionate about: Organizational strategy and workforce planning Leadership development and succession Culture and employee engagement Scalable HR infrastructure and digital transformation In addition to my executive role, I serve on advisory boards supporting education, workforce development, and inclusive leadership initiatives.
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