Leadership Team
Jill Guardia, Exec Board, Interim President
Jill Guardia is a seasoned Enablement leader who translates strategy into action by equipping teams with the tools, process frameworks, and insights they need to succeed. With years of hands-on experience as a revenue enablement practitioner, she has driven measurable impact across sales, marketing, and customer success functions. In her role as Interim President , Jill provides direction and guidance to the Global Revenue Enablement Society board and at-large membership. She brings a collaborative leadership style and a relentless focus on continuous improvement, helping RES stay agile and future-ready in an ever-changing market landscape. If you are interested in getting involved with RES, please send Jill an email.
Chris Kingman, Exec Board, Strategy
Christopher Kingman is a recognized leader in revenue enablement and a driving force behind advancing the discipline. As a board member of the Revenue Enablement Society (RES), Christopher has helped shape the strategic direction of the community and elevate enablement as a core business imperative. He was instrumental in creating the Certified Revenue Enablement Professional (CREP) program, the industry’s benchmark for professional excellence, and in establishing the Academic Council, the group responsible for defining enablement standards globally. Today, Christopher’s role focuses on driving the strategy to ensure RES continues to grow and represent the voice of the profession, strengthening its position as the leading authority for enablement practitioners worldwide.
Peter Ostrow, Exec Board, Advisor
Peter capitalizes on 20+ years of revenue growth leadership in revenue enablement, revenue talent management, and operational expertise. Finding a better, faster way to help B2B revenue teams beat quota drives just about every topic, company, rep, and channel partner he engages. Prior to joining Forrester SiriusDecisions in the Revenue Enablement Strategy (RES) service, Peter was a VP/Research Group Director for the Aberdeen Group, where he founded and was Principal Analyst for the Revenue Effectiveness Practice. Here, he covered the technology, service, and consulting enablers that enterprise revenue forces deploy to become Best-in-Class organizations. He also managed researchers in marketing, customer success, field service, and human capital management disciplines.
Mat Hill, Exec Board, Chapter Leader
Mat Hill is a seasoned enablement leader with more than 15 years of experience driving growth and execution across global go-to-market organizations. A founding member of the Revenue Enablement Society, Mat focuses on building scalable, data-driven programs that align strategy, process, and people to deliver measurable impact. He is known for translating complex GTM strategies into actionable field execution that elevates performance and customer outcomes. As an Executive Board Member, Mat brings a practitioner’s perspective centered on operational excellence, collaboration, and advancing the enablement profession worldwide.
Barbara Mazziotti, Exec Board, Academic and Education Programs
Barbara is a 25-year Global Enablement, Commercial Operations & Transformation Executive. She has been Global Head of Sales Enablement at Waters Corp, GE Digital, and Pitney Bowes, and was co-founder of the NYC RES chapter. Her specialties include: revenue process design, value/outcome based methodologies, strategic account planning, change management, role-based curriculum strategy, and AI applications for sales and enablement productivity.
Steph Cwynar, Exec Board, Marketing
Accomplished revenue enablement and learning professional with 15+ years of experience driving go-to-market success and scalable learning strategies. With a proven track record of leading cross-functional initiatives that enhance sales performance, improve customer service experiences, and deliver measurable business impact, RES is honored to have Steph leading the marketing programs across all RES activities and programs.
Simon Phillips, Exec Board, Treasurer
A highly accomplished and innovative Learning and Development executive with multifaceted experience in corporate training, program management, team leadership, performance management, instructional design, and strategic planning. Proven track record of designing and implementing scalable skill-based and onboarding programs, metrics for performance analysis, leading workflow initiatives, standardizing institutional knowledge, and compliance programming. Leverages exemplary leadership, organizational, and communication skills to deliver impactful solutions while maintaining industry-leading standards of excellence.
Sally Ladrach, Board, Technology Co-Chair
Sally Ladrach is the Director of Sales Enablement & Training at SavATree, and lives near Atlanta, GA. She has held a variety of roles across sales, marketing, and Revenue Enablement for over a decade. Sally has a passion for giving back to the community through her work on the board, coffee chats with other Enablers in need of advice, and speaking at industry conferences. Outside of work, Sally enjoys spending time with her family and playing pickleball.
Eric Mingorance,
Board, Technology Co-Chair
Eric Mingorance has over 20 years of experience across SaaS technology sales, strategic leadership, and broadcast/corporate media production. As the Principal Consultant for Mingo Media LLC, Eric brings a unique perspective to GTM enablement solutions. He has built global enablement divisions, certification programs, customer workshops, and GTM frameworks from the ground up, driving measurable performance improvements and revenue growth.
Gail Behun, At Large, President Emeritus
Gail Behun is a high-performance Revenue Enablement leader experienced in all facets of strategy, planning, and program development. Prior to joining Juniper Square as the head of the growing revenue enablement practice, Gail held leadership roles in rapidly growing Saas companies across the spectrum. She brings a deep understanding of revenue and marketing roles, processes, methodology, and business practices, along with comprehensive employee learning and development techniques.
Leading global teams to increase productivity, profitability, and stakeholder value, she achieves results that are dramatic while always keeping an onto scalability and repeatability. Gail connects the dots in powerful and innovative ways by pioneering new enablement, learning, revenue, and operational initiatives. Building positive employment cultures and coaching top performers from onboarding to leadership is Gail’s passion.
