our team
Doug Mitchell
Douglas Mitchell is a distinguished executive and expert in the flooring construction industry, currently leading Custom Floors of STL. With a multifaceted career that spans flooring construction, technology, and consulting, Douglas brings a wealth of knowledge and strategic vision to his roles, making significant contributions across various sectors. His commitment to education and career readiness is exemplified by his involvement with ScholarPath, an innovative platform designed to help students navigate their educational and career pathways. Mitchell also leads Gateway City Consulting, a firm specializing in providing strategic advice and solutions to businesses across multiple industries. His expertise in operational management, business development, and strategic planning has helped numerous clients achieve their goals and optimize their operations. At Gateway City Consulting, Doug is known for his ability to analyze complex challenges and deliver actionable insights that drive sustainable growth.
He is a respected figure in the Missouri wrestling community, known for his significant contributions as a coach, mentor, and advocate for the sport. With a lifelong passion for wrestling, Doug has dedicated much of his career to developing young athletes and promoting wrestling. He is characterized by his passion, dedication, and the lasting impact he has made on the sport and its participants.
Charles C. Tumey
Mr Tumey is a seasoned and visionary leader in the power generation industry, bringing over 39 years of expertise in operations, start-up commissioning, and construction management. A proud U.S. Navy Veteran, Mr. Tumey began his career in power generation during his military service, fostering a lifelong commitment to innovation and operational excellence. As the founder, President, and Managing Partner of TG&H Industrial Energy, Mr. Tumey led the company’s rise from its inception in 2017 to its acquisition by Curtis Stout in 2024.
Under his leadership, TG&H’s core staff delivered groundbreaking power generation projects worldwide, specializing in construction management, industrial field services, start-up commissioning, and long-term operations. Now serving as President of Curtis Stout Power, Mr. Tumey integrates TG&H’s expertise with Curtis Stout’s 77-year legacy, setting new industry standards in industrial power and electrical solutions.
Charles C. Tumey is a transformative force in the power generation industry. His blend of technical expertise, operational insight, and strategic leadership inspires confidence, fosters innovation, and shapes the future of global energy. With a proven track record of excellence, Mr. Tumey continues to elevate industry standards and redefine success in power generation.
Shawn Nixon
Shawn D. Nixon is a seasoned executive with over 19 years of experience in the energy, health care, real estate, US and International governmental affairs and finance sectors. As an Executive Director at Gateway City Consulting, he leads the Business Development and Global Strategy Divisions for Europe/GCC regions and has been a key force behind expanding the company’s portfolio of projects to 350 million. Prior to his role at Gateway City Consulting, Mr. Nixon served as a Managing Partner at a boutique brokerage and consulting firm, where he expertly reviewed potential investments, developed risk analysis reports, and played a pivotal role in securing over $400 million in underwriting and $4 billion in project management.
Earlier in his career, he contributed significantly to Schlumberger’s operations, helping to secure a multi-million-dollar contract with Exxon Mobil Corporation in Papua New Guinea and establishing the company’s geothermal drilling department in New Zealand. A graduate of the University of Arkansas, Fayetteville with a degree in Pre-law Studies, Mr. Nixon has been an active member of the Society of Professional Engineers in Papua New Guinea and the Windsor Energy Group in the United Kingdom. He is set to further his expertise by obtaining a certificate in Global Project Management from Berlin’s prestigious International Business Management Institute in August 2025. Furthermore, he is finishing an MBA in International Business and Strategy.
Charlie Wilkinson
Charlie Wilkinson is a seasoned consultant and executive leader with over 24 years of dynamic experience across financial management, operational leadership, strategic planning, and communications. A dynamic leader who continually seeks new avenues for expansion and success, Charlie’s strategic insights have played a pivotal role in shaping multi-million dollar businesses operating in diverse and rapidly changing markets across ten states including Missouri, Arkansas, West Virginia, Florida, Massachusetts, Arizona, Nevada, and Illinois.
As the Founder and President of CWG Consulting, Charlie specializes in guiding senior leadership through complex challenges in corporate development, capital raising, M&A, and government affairs. In addition, Charlie's influence and expertise extend to his roles in the cannabis space. Charlie is currently an Executive Consultant of Greenlight, a large private multi-state cannabis operator in the U.S. with 36 retail licenses, 30 dispensaries, and 4 cultivation facilities. Charlie is also a Founding Partner of Fireball Cannabis, the official cannabis product of Fireball Whisky®.
Throughout his career, Charlie Wilkinson has embodied dedication, innovation, and profound business acumen. Charlie’s ability to drive growth, coupled with his commitment to fostering collaboration, has established his position as a trusted advisor and business visionary.
Brandon Edenfield
Edenfield serves as executive director in the Application Modernization division of Dell Services. In this role, he is responsible for developing and delivering services and solutions to help customers reduce the cost of transitioning business-critical applications and data from legacy computing systems onto modern architectures, including the cloud.
Prior to joining Dell, Brandon was the president and founder of Clerity Solutions, having started the company in 1994. Clerity was a leading global provider of application modernization and legacy system re-hosting solutions and software.
Under his leadership, Clerity's customer base grew to include clients in all major countries, including some of the largest financial services ISVs and Fortune-class end users. Brandon has been working in the open/distributed and legacy IT systems community for over 28 years and is one of industry recognized thought leaders in enterprise application migration and modernization
John R. Anderson Jr.
John R. Anderson Jr., a North Carolina native, earned B.S. and M.S. degrees in soil science and crop science, respectively, from NC State University. He holds a PhD in agronomy and plant physiology from the University of Illinois and an MBA from the University of North Carolina.
John began his career in the Department of Crop Science at NC State University. He worked there for 20 years, achieving the rank of Professor in 1992. He was recognized nationally and internationally for his on-farm research and grower educational programs in irrigated and no-tillage corn production as well as his leadership of a multidisciplinary team that worked to enhance wildlife resources on working lands.
In 1998, John accepted a position on Monsanto Company’s original Roundup Ready® soybean technical team. He worked 13 years at Monsanto in diverse technology and business development roles, including management of numerous collaborations with independent crop consultants, professional farm managers, land grant universities and the conservation community. In 2008, John received Monsanto’s highest global recognition for his technical work on the Biotech Yield Endorsement. Since 2014, he has worked with several data-centric startup companies.
Bill Mitchell
Bill Mitchell brings a unique blend of professional expertise in workforce development, governmental affairs, education, and nonprofit leadership. With over 25 years of experience, Bill has dedicated his career to identifying and creating innovative programs for the next generation workforce.
As the Executive Director of Access Point, Bill advises Daugherty Business Solutions, a large-scale IT consulting firm, on educational initiatives while leading fundraising efforts and managing key relationships with nonprofits and government officials at the city, county, and state levels. He also lobbies for state and federal grants to support Access Point's mission. In his role, Bill collaborates directly with CIOs of Fortune 500 companies like Mastercard, Cigna, Edward Jones, Bayer, and the Royal Bank of Canada to enhance their talent pipelines by embedding Access Point’s IT software developers through its apprenticeship model.
Throughout his career, Bill has prioritized fostering corporate partnerships between educational institutions and the private sector. He has strengthened relationships with chambers of commerce and nonprofit agencies to enhance fundraising opportunities, develop robust internship programs, and create scholarship models at local universities. As an educator, Bill has focused on improving the 12th-grade transition process to employment, ensuring students have the resources and opportunities to succeed in the workforce.