Our Management Team

Robert Cadena

CEO and Co-Founder of Lean Solutions Group

Robert has spent his entire career in logistics, having founded a transportation brokerage business in 2001 which was supported by his back-office operation in Colombia. After selling his brokerage business, Cadena decided to dedicate all of his energy on helping others in the logistics industry cut costs by setting up their own operations in Colombia.  

Today, through his company Robert has helped over 100+ US based transportation companies set up a satellite office in Colombia. These companies have reduced employee turnover considerably, cut costs, eliminated the legal risk from ever increasing HR related issues, and created the ability to expand their workforces at a pace that would not be possible in the United States.

Under Mr. Cadena’s leadership, Lean Solutions Group currently has over 2,000 employees in four different Colombian cities and  placed #347 on INC 500 fastest growing companies in America. Mr. Cadena’s s vast experience in the logistics space, has allowed him to provide tailor-made solutions for his customers in need of staffing and/or IT Development.

David Bell


David Bell has been a leader in the transportation industry for over 25 years beginning his industry career in 1993. In his early career he started as a dispatcher at Precise Transportation and then joined Gateway Transportation Services as the Operations Manager. In 2001, Mr. Bell joined Cargo Transportation Services, Inc. where he served as CEO until 2011 when Cargo was bought by Smith Transportation Services, Inc.  David was an equity holder and the COO of Smith Transportation until 2018 when it was sold to a Private Equity firm.  

Scott Rohleder

CFO and Director

Scott has accumulated over 30 years of business experience. His career began as a Certified Public Accountant (CPA) with Price Waterhouse where he was an auditor.  After an early promotion, Mr. Rohleder was hired as the Controller of CRC Products, Inc., a 60-year-old company that was a national leader in the distribution of institutional restaurant equipment and supplies. During his tenure, he was promoted to Chief Financial Officer and then Chief Operating Officer and finally, he was promoted to President.    

More recently, Mr. Rohleder served as the Chief Operating Officer of a membership organization comprised of business owners, Vice President of Operations of a US-based national trucking company, and as the Acting Chief Financial Officer for a diversified publicly traded company headquartered in Australia. Prior to these roles, he was a Director in a full-service accounting firm.  

Currently, Mr. Rohleder provides a wide spectrum of advisory services to early-stage business, many of which he is a member of the Board of Directors. Besides serving as a Director for Lean Staffing, he is a Director for a condominium association in St. Kitts, a publicly traded branding company located in Canada, and a biotechnology company located in Florida.

Alfonso Quijano


Alfonso is an Electronic Engineer, full stack developer & technology executive focused on the logistics industry. He has participated in the creation of state-of-the-art technology solutions such as fully automated vehicle access control systems with ALPR. He is a seasoned head software developer knowledgeable in various high- and low-level programming environments, IT project manager and leader of software divisions, taking projects from zero to completion on live production environments in record time.

Versatile engineer with operations experience focused on building highly efficient technology teams and all supporting company departments, including HR, Marketing, Sales, PR, and IT. 

Trey Griggs

Vice president of Sales

Trey Griggs is a sales executive that during his nine years in the transportation industry, has gained experience in several sectors such as technology, load boards, rate analytics, TMS systems, visibility solutions, digital freight-matching platforms, and Robotic Process Automation (RPA).

Trey enjoys coaching teams to be great, as well as speaking on sales & marketing strategies, leadership & organizational structure, and technology.  When he’s not building world-class organizations, you can find Trey spending time with his family, traveling, renovating his home, playing golf, working out, reading & playing music.

Gena Mann

Vice president of Marketing

Gena has amassed 18 years in the transportation industry serving in sales and marketing roles for both the U.S. transportation industry as well as the maritime industry. Prior to joining Lean Staffing, Gena was employed by Triumph Business Capital (“Triumph”) for 12 years in various roles of progressive responsibility, including VP of Marketing.  

During her tenure with Triumph, Ms. Mann managed and implemented five sales and marketing management systems, four new product introductions, three distinct CRM systems, two re-branding initiatives and one acquisition. She is a graduate of Texas Tech University, Rawls College of Business where she earned a BBA degree in Marketing.