Our Team
Our Human Resource consulting experts bring deep industry and functional expertise and a range of perspectives that question the status quo and spark change. We work in a unique collaborative model across various types of development organizations, Ngo’s, private sector companies, government entities and more. At Three Rivers HR, we bring together the right people to conquer complexity, drive material change, and initiate positive, long-term impact.
Our leadership structure constitutes of the Strategy Advisory Board, International Board of Directors, Leadership Team and Operations Team.
Three Rivers HR Board of Directors ensures the organization’s prosperity by collectively directing the organization’s affairs while meeting the appropriate interests of its shareholders and relevant stakeholders.
Our Board specifically focuses on establishing organizational vision, mission and core values, setting strategy and structure, delegating to the leadership team, exercising accountability to shareholders and being responsible to relevant statutory and other stakeholders.
At Three Rivers HR the Leadership Team has a unique role because, in addition to each team member having responsibility for their respective team’s success, they have a more corporate set of shared responsibilities to ensure the organization’s success.
Successfully fulfilling the following 4 key responsibilities allows our Leadership Team to evolve, scale, grow and maintain the organization during the good, and challenging times:
1) Providing strategic direction while committed to servant-based leadership principles.
2) Leading by example
3) Living the core values of the organization
4) Change agents
5) Proactive problem-solving
At Three Rivers HR our most important people are in the frontline of serving our clients. The Operations Team is responsible for ensuring the timely delivery of consulting services and meeting our client’s satisfaction. The Operations Team is responsible for managing time, resources, budgets, and human capital.

Dr Steven Omenge Mainda, EBS
Chairperson
Dr. Steve O. Johnson Mainda is the Chairman of Three Rivers HR International Board, with 30+ years of expertise in finance, insurance, strategic management, and education. A distinguished leader, he chairs major African firms, sits on multiple boards, and has held top roles, including IRA Kenya Chair. Honored with EBS, he holds advanced degrees from Princeton and Cambridge.

Cheick A. Diallo Kader MSCT
Board Member
Cheick, with 24+ years of experience, excels in program delivery across diverse contexts, emphasizing gender, diversity, and accountability. He holds a Master’s in Communication, a Bachelor’s in English, and a Marketing Certificate in Advertising. Cheick has extensive expertise in humanitarian emergencies, development programs, supply chains, and logistics, working with international NGOs and fostering impactful outcomes.

Dr. David Matara Angwenyi
Board Member
David Matara Angwenyi, a Fulbright public school teacher in New Jersey, holds a Ph.D. in science education and has 20+ years of experience fostering experiential learning. A USIP Peace Teacher Ambassador, he mentors educators on conflict management and peacebuilding. David founded the Kenya Cultural Diplomacy Initiative, connecting Kenyan-American children to their heritage. Learn more at kcditravel.org.

Louise Currey
Board Member
Louise has over 15 years in C-Suite, with a diverse and extensive background in sales, operations, product development, strategy, and human resources management across multiple industries and markets. Louise holds a MBA with a concentration in Human Resource Management, a SPHR certification, and several certificates in mediation and conflict resolution.

Neusa Alice Ribeiro
Board Member
Neusa is a HR professional with more than 10 years working as HR professional in management positions, very passionate about people, who believes that the staff is the most valuable asset for every and each company/organization. She holds a degree in Law and pursuing Master in Human Resource Management.

Michael Shiferaw
Board Member
Michael Shiferaw, a Senior HR, Organizational Development, and Operations expert, has 15+ years of experience in international NGOs like Oxfam and WaterAid. Currently Head of the Global Support Unit at JIA, he’s a certified Leadership Coach and Safeguarding Trainer. Michael has served on various boards and is pursuing a DBA from UCAM, with prior qualifications from Barton and Cambridge.

Tamba Emmanuel
Board Member, West Africa
Tamba is a Humanitarian and Development Expert in Asia, West and Central Africa region, with over 26 years of progressive in humanitarian and development work in Africa and Asia Pacific.
Holds a Masters degree in International Cooperation and Humanitarian Aid and he is currently pursuing a second Masters in Leadership and Sustainability.

Charles Patterson
President & CEO
Charles, President & CEO of Three Rivers HR, has extensive experience in HR leadership, consultancy, and organizational development across non-profits and corporates. Founder of KHCB Advisors, he specializes in OD, change management, and career growth. A Certified Master Trainer and Executive Coach, Charles holds advanced qualifications in HR, Economics, and Organizational Development, with memberships in IHRM and IEA Kenya.

Cynthia Mburugu
Vice President of Practice
Cynthia, an accomplished HR professional with 17+ years of international experience, holds a Master’s in Organization Development from USIU Africa. Currently an HR Consultant at Optimum Options East and West Africa, she has expertise in HR Management, Talent Development, and Strategic Planning. A Founder Institute Mentor, she previously led HR across Kenya, Tanzania, and Ethiopia for nine years.