Madelyn Sierra


Madelyn Sierra is an executive coach and leadership development consultant who helps executives and their teams improve their business results.

Madelyn helps clients identify how their skills and behaviors support or hinder their business’ strategic objectives. She coaches them to develop high- performing teams, manage organizational change, lead others effectively and widen their network and sphere of influence. Challenging and supportive, she quickly uncovers areas for potential growth and expansion. Her style is further complemented by her strategic business skills and deep understanding of organizational dynamics. Her clients include executives in companies ranging from start-ups to global corporations in technology, media, financial services, consumer goods, health care, manufacturing and non-profit.

Madelyn’s business experience includes management positions in healthcare, corporate education, real estate development, financial services and management consulting. She launched and managed Harvard Business Publishing’s virtual leadership development program, designing and delivering programs to more than 1000 global executives within a three-year period.

Madelyn holds an MBA from Harvard Business School and a BA from the University of Notre Dame. She lives in New York City where she enjoys theatre, museums and long walks exploring the city.

BA | University of Notre Dame
MBA | Harvard Business School

Certifications and Training
Hogan Assessment
Leadership Voices
Myers Briggs Type Indicator
Goldvarg Coaching Institute, PCC
International Coaching Federation

Selected Clients
MasterCard, SAP, Northwestern Kellogg School of Management, Havas Media

My father, who believed in the joy and empowerment that learning provides


Kully Jaswal


Marcilie Smith Boyle

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