HR & Human Development

Unlocking organizational potential by empowering your most valuable asset: your people.

Our HR & Human Development Services

Organizational Design & Development

  • Organizational Structure Restructuring
  • Job Evaluation and Grading Systems

Talent Management

  • Leadership Development Programs
  • Performance Management System Design
  • Succession Planning

Capacity Building & Training

  • Customized Training Needs Assessment
  • Curriculum Development and Delivery
  • Change Management and Communications

Our HR Expert

Samuel A. Thiong is our HR Senior Consultant.
A seasoned HR leader with over 15 years of experience managing complex human resources functions for international organizations, including the United Nations and various humanitarian agencies. His expertise spans the entire HR lifecycle—from recruitment and talent management to performance optimization and staff welfare. With a specialized focus on emergency and conflict zones, Samuel A. Thiong excels at adapting HR strategies to high-pressure environments while ensuring strict compliance with local and international labor laws. By leveraging HRIS systems and data analytics, Samuel drives operational efficiency and foster inclusive cultures that enhance employee engagement. Throughout their career, Samuel has been a strategic partner in helping organizations attract top talent and maintain high standards of well-being, even in the most challenging conditions.

Experience

March 2023 - To date

Human Resources Manager

Universal Intervention and Development Organization (UNIDOR), Juba, South Sudan

June 2022 - Feb 2023

Human Resources Officer

UNICEF's Division of Human Resource (DHR): PMCD, New York, US

Jan 2022 - May 2022

Human Resources Officer

UNICEF Sudan Country Office, Khartoum, Sudan

Nov 2020 - Dec 2021

Human Resources Officer

UNICEF South Sudan Country Office, Juba, South Sudan

Aug 2012 - Oct 2020

Senior Human Resources Associate

UNICEF South Sudan Country Office, Juba-South Sudan

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Samuel A. Thiong

Samuel A. Thiong

Senior Consultant, HR

Why Choose Lambda for HR & Human Development?

  • Design modern HR systems aligned with organizational strategy
  • Develop future leaders through comprehensive development programs
  • Build a culture of continuous improvement and high performance
  • Ensure your institution is structured for success and ready for tomorrow's challenges
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