Our Team

Your bench for what's next.

A senior bench, engaged from day one. Decades of operating experience across the most complex enterprise environments.

EXECUTIVE ADVISORS WHO'VE BEEN THERE

Why leaders choose Stratum.

When the stakes are high, experience matters.

Our executive advisors have led complex initiatives inside global corporations, leading healthcare systems, financial institutions, government agencies, nonprofits, and mission-driven organizations—not just advised them from the sidelines

Collectively, we've helped leaders navigate growth, transformation, mergers, operational modernization, regulatory complexity, workforce change, and technology adoption across the United States, Colombia, Japan, Hong Kong, the Philippines, Sweden, Germany, the United Kingdom, and Israel.

Every engagement is senior-led, collaborative, and focused on helping leaders move important work forward.

Executive Advisors

Antoinette Roach Powell

Antoinette Roach PowellPMP, MA|LinkedIn

Founder & CEO — Enterprise Transformation & Executive Advisory

Transformation leader with 20+ years driving enterprise-wide initiatives across financial services, government, and energy. Specializes in operating model design, executive advisory, and oversight of multi-billion-dollar portfolios—improving cross-functional alignment 50%+ and driving ~10% annual performance gains.

Eric Schantzenbach

Eric SchantzenbachFACHE|LinkedIn

Operational Excellence — Healthcare Transformation

Specializes in operational excellence and strategy deployment across healthcare and manufacturing. Builds high-performing teams and embeds sustainable cultures of continuous improvement with strategic vision and operational discipline. Thirty-seven percent improvement in cycle time, 44% reduction in safety incidents, and 90th percentile employee engagement scores against industry benchmark.

Gina West

Gina WestMEd|LinkedIn

Social Impact — Stakeholder Engagement & Strategy

Strategic advisor and senior culture change leader with experience across corporate, nonprofit, and public sectors. Aligns organizational strategy, stakeholder needs, and operating priorities through inclusive, data-informed approaches, overseeing multi-million-dollar portfolios and scalable operating models. Has generated $480M+ in business value generated by helping organizations translate strategy into execution and measurable, sustainable results.

Heidi Nyland

Heidi Nyland|LinkedIn

Change Management — Learning & Transformation Advisory

Prosci-certified change leader, speaker, and strategist, championing the human side of digital transformation, increasing adoption and workforce engagement by more than 30%. Built 20+ year career on challenging the status quo and helping leaders understand that no amount of funding fixes a workforce that isn't ready.

Jessica Vicks

Jessica Vicks|LinkedIn

Strategic Communications — Organizational Development

Strategic operations and communications leader focused on aligning leadership, workforce strategy, and program execution. Has led initiatives impacting 400+ employees with communication strategies that significantly improve cross-functional alignment by over 50%.

Paula Pierce

Paula PierceMS|LinkedIn

Strategic Facilitation — Organization Development & Culture

Organizational effectiveness and culture transformation leader with 20+ years across government, nonprofit, and private sectors. Specializes in strategic facilitation and human-centered design to drive alignment, clarity, and performance. Partnered with more than 25 organizations, impacted over 20,000 people and leaders, and helped clients recover millions in lost productivity.

Executive Consultants

Kia Braxton

Kia BraxtonMS, PMP, ABCP|LinkedIn

Program Management — Resilience & Emergency Management

Resilience and program management leader with 20+ years delivering enterprise-wide emergency management and crisis response programs across government and private sectors. Specializes in strengthening governance and enhancing operational readiness to minimize impacts to personnel, facilities, and mission operations.

Stephanie Johnson

Stephanie JohnsonMPH, MBA|LinkedIn

Enterprise Transformation — Operations & Strategic Execution

Senior transformation and operations leader with 20+ years driving complex initiatives across $500M–$3B+ organizations. Established PMO and governance structures, improving execution outcomes 30–40%.

Ready to move forward?

Let's discuss what's at stake in your organization and how Stratum can help you deliver it.

Schedule a Strategy Conversation