WE ARE YOUR TRUSTED BUSINESS OPTIMIZERS
Discover the Core Solutions Group, LLC Difference
Core Solutions Group, LLC is a business optimization firm built to help mission-driven organizations do more with less. Since 2021, our team has combined over 50 years of experience to support our government and corporate clients with administrative services, project management, process improvement, and data-driven solutions that deliver results.
We work nationwide to help organizations streamline operations, reduce waste, and gain clarity across teams and systems. Our approach blends proven methodologies like Lean Six Sigma and Agile with the smart use of tools teams already have. Whether we're automating workflows, building SOPs, or solving data challenges, we work as an extension of your team, bringing the right mix of expertise, strategy, and technology to move your mission forward.
Through strong partnerships and a trusted network of certified professionals, we scale support to meet evolving needs without adding unnecessary complexity.
MEET THE TEAM
BILLIE WELCHMAN - Founder & CEO | Process Optimization & GovCon Expert
Z. CHANE WELCHMAN - Chief Operating Officer | Systems Engineer & APEX Developer
Z. CHANE WELCHMAN - Chief Operating Officer | Systems Engineer & APEX Developer
Billie is the founder and CEO of Core Solutions Group, with over 20 years of expertise in process optimization, project management, and federal contracting. A certified Lean Six Sigma Green Belt, she leads initiatives across contract lifecycle management, ISO 9001 implementation, and systems development. Billie is known for helping client
Billie is the founder and CEO of Core Solutions Group, with over 20 years of expertise in process optimization, project management, and federal contracting. A certified Lean Six Sigma Green Belt, she leads initiatives across contract lifecycle management, ISO 9001 implementation, and systems development. Billie is known for helping clients reduce costs, improve compliance, and drive long-term success through streamlined operations.
Z. CHANE WELCHMAN - Chief Operating Officer | Systems Engineer & APEX Developer
Z. CHANE WELCHMAN - Chief Operating Officer | Systems Engineer & APEX Developer
Z. CHANE WELCHMAN - Chief Operating Officer | Systems Engineer & APEX Developer
Chane is the COO and co-founder of Core Solutions Group and a U.S. Army veteran with nearly 20 years of experience in system engineering and database application development. He has created over 25 Oracle APEX applications, many adopted nationwide, supporting medical readiness, HR automation, and secure workflows. With certifications in
Chane is the COO and co-founder of Core Solutions Group and a U.S. Army veteran with nearly 20 years of experience in system engineering and database application development. He has created over 25 Oracle APEX applications, many adopted nationwide, supporting medical readiness, HR automation, and secure workflows. With certifications in Security+ and Cloud+, and a Top Secret/SCI clearance, Chane leads secure, scalable IT solutions that meet mission-critical demands.
Regina McKenzie, PMP - Project Manager & Process Improvement Specialist
Z. CHANE WELCHMAN - Chief Operating Officer | Systems Engineer & APEX Developer
Regina McKenzie, PMP - Project Manager & Process Improvement Specialist
Regina brings over a decade of experience in healthcare operations, project management, and business process improvement. A certified Lean Six Sigma Yellow Belt and Project Management Professional (PMP) candidate, she applies Agile, Scrum, and process optimization methods to lead cross-functional teams and improve operational outcomes. R
Regina brings over a decade of experience in healthcare operations, project management, and business process improvement. A certified Lean Six Sigma Yellow Belt and Project Management Professional (PMP) candidate, she applies Agile, Scrum, and process optimization methods to lead cross-functional teams and improve operational outcomes. Regina’s ability to align technical improvements with organizational goals helps deliver real value to government and commercial clients.
Amalie Shaffer - Project Manager & Operations Consultant
Z. CHANE WELCHMAN - Chief Operating Officer | Systems Engineer & APEX Developer
Regina McKenzie, PMP - Project Manager & Process Improvement Specialist
Amalie is a project manager and operations strategist with over 9 years of experience across military, public, and private sectors. A former Naval Officer, she excels in process development, change management, and cross-functional leadership. Amalie helps organizations increase efficiency, improve scalability, and achieve strategic goals through practical, results-focused project delivery.
John L. Spruill - Senior Business Process Consultant
Brigitte O’Michaels, MPA, PSM, LMC - Leadership Consultant & Executive Coach
Brigitte O’Michaels, MPA, PSM, LMC - Leadership Consultant & Executive Coach
John is a certified Lean Six Sigma Black Belt and U.S. Army veteran with over 30 years of experience in program management, strategic planning, and process optimization. He has led enterprise-wide transformation initiatives for agencies like the Army, USDA, and VA, specializing in ERP modernization, contract management, and cloud integra
John is a certified Lean Six Sigma Black Belt and U.S. Army veteran with over 30 years of experience in program management, strategic planning, and process optimization. He has led enterprise-wide transformation initiatives for agencies like the Army, USDA, and VA, specializing in ERP modernization, contract management, and cloud integration. John ensures clients meet performance goals while maintaining compliance with federal standards such as FedRAMP and CMMC.
Brigitte O’Michaels, MPA, PSM, LMC - Leadership Consultant & Executive Coach
Brigitte O’Michaels, MPA, PSM, LMC - Leadership Consultant & Executive Coach
Brigitte O’Michaels, MPA, PSM, LMC - Leadership Consultant & Executive Coach
Brigitte is an experienced leadership trainer and executive coach with over 20 years supporting workforce development and organizational growth. Certified in Scrum, Prince II, and Maxwell Leadership methods, she facilitates workshops that improve team dynamics, emotional intelligence, and leadership effectiveness. Brigitte’s insight and
Brigitte is an experienced leadership trainer and executive coach with over 20 years supporting workforce development and organizational growth. Certified in Scrum, Prince II, and Maxwell Leadership methods, she facilitates workshops that improve team dynamics, emotional intelligence, and leadership effectiveness. Brigitte’s insight and tools like DISC and 360° assessments help clients drive stronger performance across all levels of leadership.
ELISA DATCHER - Executive Coach & Consultant
Brigitte O’Michaels, MPA, PSM, LMC - Leadership Consultant & Executive Coach
ELISA DATCHER - Executive Coach & Consultant
Elisa Datcher is a highly accomplished Army Veteran with a distinguished career and specialized administrative expertise across diverse sectors.Elisa's expertise spans a broad spectrum, encompassing Administrative, Professional, and Management Consulting, Educational Support Services, Developmental Training, and Leadership Development and
Elisa Datcher is a highly accomplished Army Veteran with a distinguished career and specialized administrative expertise across diverse sectors.Elisa's expertise spans a broad spectrum, encompassing Administrative, Professional, and Management Consulting, Educational Support Services, Developmental Training, and Leadership Development and Executive Coaching. Throughout her illustrious career, Elisa has consistently achieved remarkable results, guiding clients to enhance their credit scores by a minimum of 50 points and reduce their debt by 25% through proven strategies. Her dedication to educating and informing personnel on hazardous deployment conditions has contributed to injury prevention and saved lives.
