Samuel K Mariga

Samuel Mariga is an internationally certified experiential learning practitioner (ACCT, USA) with a Bachelor’s degree in Communication.

As the Managing Director of Teamsphere Adventures and Consulting Ltd, Samuel is a recognised leader in team and leadership development, bringing expertise across Africa and beyond. His work focuses on experiential, interactive, and transformative training tailored to client needs, with a deep commitment to advancing leadership capabilities, enhancing team cohesion, and fostering impactful organizational change.

A deep commitment to advancing leadership capabilities, enhancing team cohesion, and fostering impactful organizational change.

Core Competencies

Summary Work Experience

Managing Director 

Teamsphere Adventures and Consulting Ltd 

2015 - Present 

  • Designed and facilitated leadership development programs for diverse sectors, using experiential learning to drive sustainable growth and build high-functioning teams. 
  • Delivered impactful training that integrates organizational values with day-to-day activities, fostering a strong, cohesive culture. 

Leadership and Team Development Consultant 

BlueSky Adventures 

January 2011 - Present 

  •  Lead Facilitator for the Young African Leaders Initiative (YALI), training over 2,000 young African leaders on leadership, business, and public policy. 
  • Developed and delivered tailored programs for 3,000+ professionals in communication, leadership, conflict management, and personal branding. 

Recruitment & Organizational Culture Lead Consultant 

Virtuoserv Consult 

June 2016 - Present 

  • Designed onboarding strategies and training manuals to integrate new hires effectively and foster a cohesive culture in a fast-paced tech environment. 
  • Conducted data-driven assessments to inform training needs and support continuous improvement. 

Culture Change Management Lead (Independent Consultant) 

Ministry of Lands, Kenya 

Played a key role in training Ministry staff on adapting to digitalization, fostering a cohesive approach to modernized processes, and aligning new and existing teams with strategic goals. 

Culture Change Management Consultant 

FnS Scientific Limited 

  • Guided a 40-person team through a culture change process, leveraging experiential learning to improve alignment with organizational values and support resilience through the COVID-19 pandemic. 

Leadership Trainer 

Haile Hotels and Resorts, Ethiopia 

Education

  • Master’s in business administration (MBA), University of Strathclyde, Glasgow, Scotland
  • Bachelor of Arts (Business Studies and Economics) Kenyatta University
Professional Membership and Certifications

  • Prosci Certified Change Management
  • Practitioner
    Practitioner Diploma in Executive Coaching, Academy of Executive Coaching
  • Full Member, Institute of Human Resources Management (K)
  • Member, Society for Human Resources Management USA
  • Certified Facilitator, Development Dimensions International
Voluntary Engagements

Mentor, Girls 4 Girls (to date) Mentor, SHOFCO (to date)
Teaching Leader, Bible Study Fellowship (to date)
Member, Nairobi Chapel Children’s Ministry Strategic Team (to date) Member of the Simba Foundation Advisory Council (2017 to 2019) Board Member, Logos Christian School (2017 to 2020)

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