What We Do

Sinclair Advisory Group offers unique and impactful solutions to help organizations solve problems and improve performance. We offer integrated services spanning:

  • Strategic Planning
  • Business Planning (in partnership with Plan4 Technologies)
  • Leadership Development Program Design
  • Leadership Training
  • Team Building
  • Executive Coaching
  • Expert Consultative Services

We are passionate about helping our clients, who include businesses of all sizes, government agencies, and individual leaders, make a measurable impact on performance and results. 

A Tradition of Excellence

SAG was founded in 2006 by Stan Sinclair, a retired federal executive with an extensive background in developing and leading large organizations.


SAG offers "Excellence from Experience" because our team of consultants, trainers, and coaches is comprised of senior-level professionals and recognized industry experts who bring substantial career experience across a wide range of functional areas. 

Our Leadership

Seth Sinclair

Managing Member and Co-Founder

Seth Sinclair, who helped co-found Sinclair Advisory Group in 2006, is an experienced consultant, entrepreneur, trainer, and coach with expertise in all aspects of organizational planning, development, leadership, operations, and delivery.  


He brings over twenty years of experience working with a wide range of clients across the private and public sectors.

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© Sinclair Advisory Group LLC
Knoxville, TN