The Concentric team, like our Subject Matter Experts, is comprised of experts. The team has organically grown over the years and our philosophy has been to add team members that not only bring an excellent skill set to the table but also fits in with the team dynamic. We love coming to work everyday and having a great team makes that even better.


Jim Thompson | Founder & President

A Management System expert specializing in advanced manufacturing process improvements, Jim has over 20 years of experience serving domestic and international organizations in their pursuit of excellence.

In 2003, Jim founded Concentric in order to advise customers in organizational improvement, process optimization and integrated (concentric) management techniques. Jim has decades of in Lean, ISO 9001, IATF 16949 + AIAG Core Tools, AS9100, ISO 14001, ISO 45001 and other organizational excellence (OE) implementation projects. In 2008, Jim relocated the business to Charleston, SC due to demand in cost reduction efforts, particularly in the automotive & aerospace manufacturing sectors. Jim is an Exemplar Global accredited QMS Lead Auditor.


Sidney Porto | General Manager USA & Managing Director SA

A results-oriented leader with solid background in Operations & Engineering. Has been head of quality, manufacturing engineering, shop operations, safety, environmental, facilities & equipment maintenance, product and applications engineering during a 25 years carrier in the automotive industry.

Experienced in project management, six sigma methodology, product and process design / validation / implementation / improvement, cost reduction, and meeting deadlines consistently.

Skilled in leadership, management systems implementation & maintenance, problem solving techniques and effective communication. Values teamwork and builds productive working relationships providing proper response to customers' needs. Sidney is DNV certified QMS lead auditor and has successfully led management systems towards ISO 9001, ISO TS 16949, ISO 14001, ISO 18001, Ford Q1 and VW VDA class A.


Megan Brandle | Executive Assistant

As Executive Assistant, Megan Brandle is an expert at organization. Megan has designed and implemented office organizational processes for Concentric that keep us running on all cylinders. She has worked on projects from document file structures to online training implementation. Megan could also be referred to as the "Director of First Impressions". She takes care of our customers and keeps our management staff in line!

In addition, Megan is a certified Image Consultant, Personal Stylist and Style Expert with a BA in Fashion Marketing & Management. She is also the Personal Stylist for Best Kept Self. Megan loves streamlining and making everyone’s lives easier in all areas. In her down time you can find her fixing up and flipping houses and trying to better her life one step at a time.


Ronii Bartles | Operations & Marketing Manager

Ronii graduated from Shepherd University in 1999 with a Bachelor’s Degree in Business Administration. After moving to Charleston, SC she continued her education and obtained her MBA from The Citadel in 2006. Ronii’s experience includes Director of Operations at America's Research Group and W5. Ronii's expertise in marketing research gives her a unique approach to marketing strategy and planning, and her consumer behavior experience gives her an edge in understanding consumers, marketing strategies and trends.

In 2010, Ronii was a Rising Star Finalist for Most Influential Women in Business and was a Class of 2011 Forty Under 40 winner for the Charleston Regional Business Journal. In addition, she was a Marketer of the Year Nominee in 2010 and a Finalist in 2012 for the Charleston American Marketing Association, where she has worked in several board positions and was President in 2013-2014.