United States Leadership Training Expert
Born and raised in eastern Queens on the outskirts of New York City, John now resides in New York's Hudson Valley. In his previous corporate management career of over 21 years, John led large Finance and Operations organizations for several global investment banks with roles based in the US, Europe and Asia Pacific.
John's official passion for leadership development was first ignited back in 2014 while planning and delivering a customized Coaching & Mentoring program for an NGO based in South Africa. He has since helped to develop leaders around the world from Poland to the Maldives to his hometown of New York.
John holds an M.B.A. from the University of Connecticut and a Bachelor's degree in Finance from Fairfield University. Through work, study and leisure, John has had the good fortune to visit all 7 continents and over 70 countries. He still enjoys world travel and scuba diving . . . but, most of all, John enjoys developing tomorrow’s business and industry leaders, and helping them to maximize their true potential.
John is Crestcom’s state-wide Area Representative for New York, New Jersey, Connecticut, Rhode Island and Delaware.
Featured Webinar
Understand Generational Differences to Build Connected Teams
Featured Ebook

A Leader’s Guide to Navigating the Five-Generation Workplace
Take the Crestcom Leadership Health Assessment
Crestcom’s Leadership Health Assessment consists of 30 targeted questions designed to help companies identify growth areas within their teams based on Crestcom’s 10 Core Leadership Competencies.
Featured Resources
How to Attract the Right Talent with Walt Brown
Attracting great talent and keeping them engaged are two of the biggest challenges facing leaders today. It’s no longer just about posting a job and hoping for the best—it’s about clarity, culture, and connection. In this episode of The Leadership Habit Podcast, host...
How to Make Decisions in Uncertain Times with Scott Marshall
Uncertain times are a certainty in leadership. Whether it's economic volatility, organizational shifts, or global instability, leaders consistently encounter a high degree of uncertainty. Today, business leaders must navigate unpredictable complexities while...
Move Beyond Busyness with Peggy Sullivan
How to Achieve More by Doing Less In today’s fast-paced world, busyness has become a status symbol. But does being busy actually lead to success? Or are we stuck in a cycle of time poverty that leaves us exhausted and unfulfilled? In this episode of The Leadership...
Crestcom International Named a 2025 Top 20 Leadership Training Company by Training Industry
Training Industry Announces Selections for the 2025 Top Training Companies™ Greenwood Village, CO — March 13, 2025 — Crestcom International has been named a 2025 Top 20 Leadership Training Company™ by Training Industry, the leading authority in corporate learning and...
"Crestcom is the best leadership training program out there. As CEO of my company I wanted to give my leadership team a focused training program that would help them grow as individuals in their career path and align them to our company goals with clear vision on how to do..." Read More
-Bobbie Lloyd , CEO
Magnolia Bakery, New York City
"Training with Crestcom changed the way I communicate, cooperate and work on both my own as well as my team’s deliverables. What I appreciated most, in addition to valuable content, was the structure of the training program, i.e., engaging workshops, action plans and results required from participants that subsequently changed..." Read More
-Joanna Rusin , Vice President
UBS, Zurich
"We first partnered with Crestcom in the summer of 2022. Our manufacturing group was searching for a developmental platform for high-potential mid-level managers. Crestcom's 12-month manager training provides 2 leadership topics per month, in 2-hour segments, that our managers can focus on developing. The program is akin to a mini-MBA..." Read More
-Andy Renkey , President
V-Process Foundry Group, Harmony, PA / Arcade, NY