Welcome to T-M-T Services International (TMTSI), LLC!
Leadership Development | Executive Coaching | Organizational Consulting
Home of 3xP Leadership® | The BlackPrint of Leadership | Dr. No Days Off
Transform Your Leadership.
〰️
Strengthen Your Organization.
〰️
Improve Performance.
Transform Your Leadership. 〰️ Strengthen Your Organization. 〰️ Improve Performance.
Creating strategies to overcome challenges that prevent growth and success for professionals and organizations since 2003.
Organizations don’t rise to the level of their goals; they rise to the level of their leadership. At TMTSI, we specialize in leadership development, executive coaching, organizational consulting, and performance improvement strategies that help leaders and teams achieve measurable results. Founded by Dr. Marc D. Williams, DM (“Dr. No Days Off [Dr. NDO]”), TMTSI delivers proven leadership systems rooted in the 3xP Leadership® Framework—Purpose, People, Process, and Performance. Leadership isn’t an option. It’s a system. We help you build it.
Our mission is simple: build stronger leaders, stronger teams, and stronger organizations.
WHAT WE DO!
Leadership Consulting That Drives Real Results
TMTSI provides customized consulting solutions designed to meet the needs of businesses, educational institutions, government agencies, nonprofits, and entrepreneurial organizations.
Our expertise includes:
Executive Leadership Development
Strategic Planning & Organizational Alignment
Communication Coaching & Conflict Resolution
Process Improvement & Operational Efficiency
Change Management & Performance Optimization
Diversity, Equity, Inclusion & Belonging (DEIB) Leadership Training
Team Building & Organizational Culture Transformation
We help organizations reduce inefficiencies, improve communication, and build cultures that support high performance, accountability, and sustained success.
Leadership Training, Workshops & Professional Development
TMTSI delivers engaging, high-impact leadership training designed for immediate application.
Popular offerings include:
3xP Leadership® Training Series
Communication Mastery for Leaders
High-Performance Team Building
Project Leadership Essentials
Strategic Problem-Solving & Decision-Making
Organizational Culture & Employee Engagement Workshops
All training is customizable for on-site, virtual, and hybrid environments.
Professional Review & Editing Services
We provide expert academic and professional editing services to help students, researchers, and professionals communicate with excellence. Our team offers:
Thesis & Dissertation Review and Editing
Professional and Technical Reports
Research Papers & Manuscripts
Resume & CV Review and Enhancement
These services ensure clarity, precision, and professional quality, helping clients present their best work in academic, research, and career environments.
Executive Coaching for Leaders at Every Level
Our coaching programs focus on strengthening leadership identity, emotional intelligence, decision-making, and communication skills. We offer:
One-on-one executive coaching
Emerging leader development
Leadership pipeline and succession preparation
Performance coaching for managers and supervisors
Clients experience increased confidence, improved influence, and stronger leadership presence.
Meet the Founder of TMTSI & Creator of 3xP Leadership®
Dr. Marc D. Williams, DM
Dr. Marc D. Williams, DM, known as “Dr. No Days Off [Dr. NDO],” is a respected leadership strategist, author, U.S. Army and U.S. Navy veteran, and higher education executive. He has trained thousands of leaders across industries using a research-based, culturally responsive approach to leadership and organizational growth.
Dr. Williams blends academic expertise with real-world experience to help organizations build leadership systems that work.
Leadership Books & Resources
The BlackPrint of Leadership® Series
Discover tools, strategies, and frameworks that empower leaders to grow personally and professionally. Available exclusively at: www.drnodaysoff.com
Perfect for leadership teams, professional development programs, universities, corporate trainings, and personal growth.
Why Organizations Choose TMTSI
Our clients trust TMTSI because we offer:
Proven leadership frameworks backed by research
Customized consulting that fits your organizational needs
Measurable improvements in culture, communication, and performance
A practical, actionable approach to leadership, not theory alone
A partner committed to your long-term success
We don’t just improve leadership. We transform how organizations think, operate, and perform.
Ready to Strengthen Your Leadership and Organizational Performance?
CLICK ONE OF THE BUTTONS BELOW.
Leadership Excellence Starts Here With TMTSI!
Contact TMTSI today and take the first step toward building a more effective, empowered, and high-performing organization.
“You are at more of an advantage to enhance or build your business when you are 80% prepared and work on the remaining 20% as you build towards success, rather than standing still until you are fully ready.”