Meet Our Leadership Team

Lisa Coker is the principal and CEO of Infinite Management Solutions, LLC, a woman veteran owned certified small business which primarily partners with middle-market and large organizations in both private and public sectors in the Midwestern region.  

Coker is a proud United States Air Force veteran.  She has earned a reputation as a trusted partner, dynamic team facilitator, outstanding problem solver, and accomplished professional. She helps  C-Suite executives develop strategic plans,  optimize operational processes, and execute their vision with precision. Coker is a certified Lean Six Sigma/Continuous Process Improvement  Black Belt practitioner and is often consulted for her innovative business improvement strategies and solutions resulting in reduced operational costs and improved mission effectiveness. In addition to a bachelor’s degree in business administration, Coker also holds a master’s degree in Organizational Change Management and has completed professional executive programs at the University of Tennessee, University of Dayton, and Dartmouth College.

Coker’s passion, professionalism, and poise continue to propel her forward as a recognized expert and leader in her field. In 2017, Coker had the distinct honor of leading a comprehensive strategic planning project for the Air Force Materiel Command’s (AFMC) 4-Star General  Commander. The commander managed an $80 Billion annual budget and employed over  27,000. Coker’s outstanding team leadership skills enabled the General and her 120-member  leadership team to establish a new vision statement and multiple strategic goals and objectives.

In 2018, the Dayton Business Journal recognized Coker as one of the region’s brightest young professionals and named her a “Forty Under 40” award winner. She was also recognized as a  top 100 business professional across the nation, as she was named as an “American Business  Journal Rising Star.”

In 2022 & 2023, the Dayton Business Journal recognized Coker as a “Who’s Who in the  Aerospace & Defense Industry and was recognized as a 2023 “Power 50”, which highlights  Dayton’s most influential women of the year.

Coker holds memberships to the Forbes Business Council, Rotary Club of Dayton, and Women in Business Network (WIBN). She serves as a Board of Trustee for the Dayton Art Institute, and the Vice President of the Miami Valley’s Women in Defense (WID) Board of Directors. In her  spare time, Coker enjoys traveling, listening to podcasts, and spending quality time with her family.

Rachel Barthel is an analytical and strategic thinker, with over 15 years of experience organizing and supporting executive teams. She is focused on continuous process improvement and project management, with a strong passion toward data-driven and quality results.

Rachel is a proud United States Marine Corps veteran. During her 10-years serving on active duty, she was repeatedly recognized for her leadership, professionalism, outstanding work ethic, and unwavering devotion to accomplishing the mission.

Mrs. Barthel graduated Summa Cum Laude from Argosy University with both a Master of Industrial Organizational Psychology and a Master of Business Administration. She also holds a Lean Six Sigma Green Belt certification.

As a strong supporter for giving back to your community, Rachel is an active member of the Program Committee for Clothes That Work in Dayton, Ohio.

Rachel enjoys spending time with her family, reading, and hiking.

Tessa Lawson is a passionate, quality focused HR professional with extensive experience collaborating with leaders, supporting teams, and shaping organizations in a variety of industries including finance, manufacturing, and healthcare. A proud Wittenberg alumna she also holds an MBA and graduate certifications in human resource management, mediation, and gerontology.

She began her professional career in sales and swiftly transitioned to HR where she oversaw recruitment and development helping to fuel the growth and success of a rapidly expanding, multibillion dollar financial services corporation. Her inherent ability to connect with individuals at all levels of an organization coupled with her sincere desire to see others win have fueled her professional success and allowed her to propel companies forward. She is skilled in selection and performance management systems and loves training and development. It is her belief that HR professionals are privileged to have the opportunity to serve and uplift teams and add unique value to drive organizational success.

She spends her time away from the office creating memories with family and friends. She enjoys learning, nature, creating art, and finding ways to positively impact those around her.