David brings 30 years of experience in human resources, leadership, and team development. Over the course of his career, he has supported organizations through growth, cultural change, mergers, acquisitions, and leadership transitions. His work emphasizes aligning values, clarifying expectations, and building systems that enable teams to succeed.
As an HR leader, David helped drive significant improvements in culture and employee engagement, including leading a regional and divisional turnaround that moved from the bottom to the top tier in engagement. He has designed and facilitated initiatives such as values alignment, leadership development cohorts, and team coaching using evidence-based models like PERILL, DISC, and Emotional Intelligence assessments.
David is known for connecting easily with people across all levels of an organization, creating an environment where individuals and teams can engage openly and contribute fully.
Today, he is the founder of Tresane, a leadership and team development firm focused on helping organizations bring workplaces together. Through the Tresane Model, Align Self, Align Relationships, Align Teams, he supports leaders and HR professionals in building clarity, collaboration, and resilience within their teams.
David holds senior HR credentials (SHRM-SCP, SPHR) and advanced coaching credentials, including Professional Certified Coach (PCC) and Senior Practitioner Individual Team Coaching Accredited (ITCA). He is also a published author in Compassion@Work, You@Work, and a co-author of research with the Institute of Coaching at Harvard Medical School.
