Sage & Summit Consulting
Combining strong leadership development with effective strategy implementation.
Empowering Exceptional Leaders to Inspire Growth
We help senior leaders to step out of the weeds and into visionary, people-centered leadership. We work with ambitious professionals navigating new responsibilities or higher-level roles, helping them cultivate confidence, gravitas, and the ability to lead with empathy and clarity.
Through tailored executive coaching and team development, we help you define your leadership identity, foster collaboration, and create lasting change. Grounded in cutting-edge research, we deliver actionable strategies that transform challenges into opportunities. With Sage & Summit, you’ll build trust, inspire growth, and rediscover the joy of leadership—both for yourself and your team.
Our Mission: Elevating Leadership Excellence
Our mission at Sage & Summit is to empower ambitious professionals to transition from operational experts to visionary leaders who inspire, motivate, and drive meaningful impact. Through executive coaching, team coaching and leadership training we bring people-centered leadership to life.
Why we elevate leadership excellence
We believe leadership is more than a title—it’s an evolving process rooted in self-awareness, balance, and vision. Exceptional leaders uplift those around them, creating a ripple effect of positivity and growth.
Our Team
Marderé Birkill, MBL, CEC, MCC
CEO and Founder, Executive & Team Coach
A Master Certified Executive Coach with over 25 years of leadership expertise, Marderé partners with executives and rising leaders to navigate transitions with clarity, focus, and confidence. Her systemic, insightful approach empowers clients to unlock innovation, resolve conflicts, and strengthen relationships. By identifying core strengths and building productive behaviors, Marderé fosters sustainable growth, enhanced resilience, and long-term success. Trusted for her honest, compassionate guidance, she creates a supportive environment for transformative change. With Marderé, leaders and teams achieve renewed vision and impactful results, thriving in today’s dynamic and culturally complex world.
Eric Potter P.Eng, CEC
COO, Executive Coach
Eric, a Certified Executive Coach and seasoned engineer, blends technical precision with leadership insight from years in C-suite roles. With credentials from Harvard Business School and extensive coaching expertise, Eric delivers actionable strategies for sustainable growth and resilience. His holistic approach empowers leaders to streamline systems, foster adaptability, and achieve measurable results. Leveraging his engineering acumen and team dynamics certifications, Eric helps organizations align operations with human potential. For leaders seeking clarity, innovation, and sustainable systems, Eric’s coaching is a gateway to transformative progress.
Andrea Bauer BA, B.Comm, ACC
Executive Coach
Andrea brings 23 years of HR expertise and a passion for cultivating harmony in workplaces. As a coach specializing in conflict resolution and personal growth, her tailored, well-being-focused approach helps clients overcome challenges and achieve balance. Andrea listens deeply and adapts her methods to empower leaders and teams to grow professionally and personally. Committed to fostering resilience and meaningful progress, Andrea’s coaching creates a safe, transformative space that drives lasting change. Partner with Andrea to experience renewed energy and purposeful transformation in every aspect of your leadership journey.
Theresa McGee
Administrative Coordinator & Facilitator
Theresa McGee is a highly professional and conscientious business and administrative professional with 30+ years experience assisting clients in their growth and profitability. She has excellent interpersonal, communication and time management skills, and has worked with numerous clients and industries to continuously work on attaining and broadening her skills. Theresa has participated in many aspects of facilitation and training with numerous clients. Recently, she obtained the Everything DiSC certification with the Sage & Summit Consulting group.
Quintin Hansen, B.Sc.
Research Assistant and Webmaster
Quintin is our Tech Expert, Web Developer, and Distinguished Researcher. Quite an expansive portfolio! He is valued for innovation and creativity and keen eye for detail. Quintin studies psychology and computing science and has expertise in machine learning. He has a keen interest in AI as well as blockchain and is always open to a discussion on how those two will disrupt every industry and job known to mankind today.
