About Us
We help leaders and teams communicate clearly, align around what matters, and perform at a higher level with less friction and more confidence.
Who We Are
We are a team of executive coaches and leadership specialists who work alongside you to strengthen how you lead, decide, and collaborate. You get practical guidance grounded in evidence-based methods, and you move forward with more clarity and confidence. As you face new challenges, we help you build the skills and mindset needed to grow your impact.
Our coaching approach comes from real leadership experience and years of working inside complex organizations. Because we are ICF members, you can count on ethical, high-integrity coaching supported by proven tools, deep resources, and a commitment to your long-term success.
Meet Our Team
Our team consists of experienced coaches and consultants committed to your success. Each member brings a wealth of expertise in leadership, coaching, and organizational development.
Marderé Birkill, MBL, CEC, MCC
CEO and Founder, Executive & Team Coach
Eric Potter P.Eng., CEC, ACC
COO, Executive Coach
Andrea Bauer BA, B.Comm, ACC
Executive Coach
Theresa McGee
Administrative Coordinator & Facilitator
Quintin Hansen, B.Sc.
Research Assistant and Webmaster
Sheila Smigarowski
CPA, CA, CIA, CRMA, ACC
Lenora M. LeMay Ph.D.
Janet Davie, MCC, CEC, CPA
Executive & Team Coach Practitioner
Why Choose Us
Sage & Summit stands out by delivering leadership development that is personal, science-backed, and built for how modern leaders actually work. We blend leadership coaching, team coaching, and practical tools to match your goals and challenges.
As you grow, we bring vertical development into your journey, helping you expand your thinking, elevate your authentic leadership presence, and lead in a way that fits the culture you’re shaping. With this approach, you get a partner who helps you grow with intention, lead with emotional intelligence, and strengthen the way your team communicates and performs.
Ready to transform your leadership?
