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Unlocking Organizational Potential: The Chief of Staff Role and Its Impact on Business Efficiency - A Conversation with John Previtera

With Subject Matter Experts

John Previtera, Chief of Staff Mentor, Coach
Matt Sitter, CEO, AFN

In our next AFN event, we’ll speak with John Previtera about the Chief of Staff (CoS) role and how it can positively impact CEOs and their organizations. It takes special skills and a distinct mindset to create the most leverage for this role.

John’s perspective is informed by his experience as a Senior Chief in the Navy SEALs, Management Consultant, and CoS for a start-up technology company, and he’ll help us understand how a CoS can fill the gaps in your organization and maximize how your whole team operates.

Unlocking Organizational Potential: The Chief of Staff Role and Its Impact on Business Efficiency - A Conversation with John Previtera

November 30, 2023

John Previtera


John holds a bachelor’s degree in Organizational Leadership & Development and when he is not helping leaders and companies thrive, his passion is breeding and training Labrador Retrievers to be service dogs for wounded warriors with PTSD and children with autism. He lives in the woods of southern Oregon with his Wife and son and enjoys spending time on the Rogue River.

Favorite quote:

"LEADERSHIP IS ALL ABOUT PEOPLE. It is not about organizations. It is not about plans. It is not about strategies. It is all about people - motivating people to get the job done. YOU HAVE TO BE PEOPLE-CENTERED." Colin Powell

John is a Navy SEAL veteran with over 28 years on active duty at various SEAL Teams and Naval Special Warfare commands. While on active-duty John deployed to Afghanistan, Iraq, Yemen, the Philippines, among other short and long term deployments to various other locations in support of U.S. Foreign Policy.

Following his time in the SEAL Teams, John was recruited by the McChrystal Group, a small elite leadership consulting firm founded by General Stanley McChrystal. The McChrystal Group took the lessons learned by the Joint Special Operations Command (JSOC) and created a leadership methodology consistent with how elite special operations forces lead and execute on today’s technologically enhanced and everchanging modern battlefield. During this time, John was fortunate to have had the opportunity to work with various companies across numerous industries while learning the important areas of overlap between his diverse military skills and the skills necessary to succeed and thrive in the business environment.

John is an articulate, dynamic, and engaging public speaker with a natural story telling ability. His authentic delivery of content, insights, and perspective allows him to build trust with business leaders that leads to impactful discussions and insightful alternatives to how leadership techniques and teamwork can be accomplished in today’s dynamic, globally connected, and technologically advanced business ecosystem.

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Chief of Staff Mentor, Coach

Matt Sitter


Matt Sitter is a passionate believer in the power of networks to innovate and realize new opportunities. His career has focused on helping leaders grow, succeed, and to mobilize their teams, organizations, and networks.

Matt’s work has spanned a broad array of industries including Healthcare, Technology, Real Estate Investment, Consumer Products, and Finance (amongst others). He has worked with multiple Fortune 500 executive teams, Private Equity firms, startups, and everything in between.

In addition to his role at AFN, Matt is currently a partner at the Advisory Services firm, Advantary. His experience includes leadership roles at The McChrystal Group, CrossLead, Inc., and MedLever. He has led multiple functions including Product Management, Marketing, Reimbursement, and Product Development.

Matt is a certified Executive Coach, completed his undergraduate studies at Brown University and received his MBA from Dartmouth College’s Tuck School of Business. He is a proud father and husband.

Shmuel Silverman Headshot - Formal_edited.jpg


Shmuel Silverman Headshot - Formal_edited.jpg
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