Improving accessibility of quality
and affordable medicines
for everyone





About MedSource

MedSource, a wholly owned business of Management Sciences for Health (MSH), was incorporated in Kenya in March 2017 as a group purchasing organization to serve the health care industry.





Our Values




Working with the existing health care ecosystem in Africa to achieve success.



Bringing together the right expertise to improve health care systems.



Being honest, ethical, and trustworthy.




Diligently meeting the needs of others.



Being straightforward and open in all our undertakings.



Our Purpose – Why MedSource Exists

MedSource’s goal is to improve accessibility and availability of affordable, quality medications and laboratory and health supplies for health care providers and the population at large while strengthening the capacity of its members to improve the management of their businesses.



MedSource Mission – How We Deliver On Our Purpose

MedSource leverages its core procurement and pharmaceutical management competencies and those of its parent organization, MSH, and the purchasing power of products and services from health care providers to negotiate favorable pricing from suppliers (manufacturers and distributors) while ensuring the quality of supplied products.


Board of directors


Marian W. Wentworth

Marian W. Wentworth is President and Chief Executive Officer of Management Sciences for Health (MSH), a global nonprofit that works side-by-side with leaders in low- and middle-income countries to build strong, equitable and sustainable health systems that save lives and improve health outcomes. Since joining MSH in 2017, Marian has focused on developing a new strategic vision to guide the organization’s broad, decades-long technical expertise in addressing evolving challenges in leadership, health systems management, human resources, and access to medicines.


Jackson Theuri

Jackson Theuri

Mr. Jackson Theuri is a Board member. He is also the CEO of OptimaCap Africa, a management consulting firm. Jackson is an experienced management consultant with more than 17 years of board and management consulting experience in various industries, including financial services, consulting, manufacturing, hospitality, and infrastructure across Eastern Africa and the United Kingdom. Jackson is a qualified accountant CPA(K) and has been involved in strategy, governance, performance improvement, and business turnaround and expansion projects.

Our Team


Spencer Ochieng

Interim Chief Executive Officer

Spencer Ochieng is the interim CEO at Medsource where is also serves as a board member. He has more than 25 years of experience in the healthcare industry and has held senior positions in various organizations. He was previously the Country Representative Kenya at Management Sciences for Health. As Country Manager at the Sustainable Healthcare Foundation he ran a not for profit organization with a countrywide network of clinics that provides primary healthcare using business format franchising. As Managing Director at Pharmasell Ltd, he oversaw the establishment and growth of this local pharmaceutical startup. He has also led the Kenyan operation of a Danish multinational that innovated unique water vending solutions using mobile money as a platform.As Business Development Manager at GlaxoSmithKline, he was responsible for key institutional business. Spencer has a deep passion for innovations and businesses that support underserved communities. He holds a Bachelor of Pharmacy  degree from the University of Nairobi and an MBA in Marketing from the United States International University.


Yvette Ondachi

Sales & Marketing Director

Yvette is an established and strategic thinking business manager with entrepreneurship skills.  Her working  experience is spans for 20 years (16 in the pharmaceutical industry) and has worked with stakeholders in the private sector, public sector, non profits as well as the start up ecosystem.

She holds a Bachelor of Science Degree- in Biochemistry  from the University of Nairobi. She is an affiliate member of the Marketing Society of Kenya. In 2016 she has attended an Executive Program in Entrepreneurship designed for Kenyan Women, held at Babson College in Boston USA. She is currently pursuing a Masters on Management program at the Strathmore Business School. She is currently heading commercial operations at MedSource as Sales and Marketing Director.


Samuel Mwangi

Key Accounts Manager| Supply Chain

Samuel Mwangi Kimani is the Key Accounts/Supply chain Manager. He is trained in molecular biology and biotechnology (Kenyatta University)and an ongoing MBA in strategic management(University of Nairobi). He enjoys strong networks in branded generics and original brands markets. Samuel has over ten years of pharmaceutical sales experience in multinational organizations. Some of his business interests include:

1.End to End management.

2.Strengthening supply chain

3.New Product launches

4.Business growth and development.

5.General operations leadership and change management

He is the face of MedSource along the Supply chain. He focuses on creating, growing and establishing strong lasting business relationships, product portfolio management, Management of MedSource supplier spectrum and Manufacturers-MedSource relationship. He is passionate about customer behavior change and speedy execution of business solutions.


Samuel Kimani

Finance Director

Samuel Kimani is the Finance Director and has more than nine years of experience in financial reporting, accounting operations, tax, financial planning and analysis, budgeting, business development, and commercial finance in Sub-Sahara Africa, with stints in the United States.

He holds a Bachelor of Commerce degree from the University of Nairobi; has an ongoing Master’s of Science degree in Finance from Kenyatta University; is a certified public accountant CPA(K) with a fellowship at the Institute of Certified Public Accountants of Kenya (ICPAK); and holds a Certificate in Computer Application. He is passionate about change management and lean processes and biased for action to deliver more with less.



Rivaan Centre, Suite 2A,
Muguga Green Close, Off Brookside drive
P. O. Box 14978 – 00800, Westlands
Nairobi, Kenya.

Tel: +254 740417687, +254 (20) 4407812



"RT @DrMercyKorir: It’s a humbling moment, it’s a motivation to keep the focus. It’s a reminder that health does matter. It always has. I am…"





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