Tetty has more than 15 years of experience in Programs Management, development, Monitoring and Evaluation on ASRHR, HIV/AIDS, Advocacy, Policy development and healthcare budget analysis. Tetty has experience in Programs Management, development, Monitoring and Evaluation on Social Protection Interventions, Agribusiness, Business Development and Youth ASRHR, HIV/AIDS, Advocacy, Policy development and healthcare budget analysis. He holds a Bachelor of Science degree in Environmental Science from Kenyatta University and A certificate in education, planning and abilities from The Technical University of Dortmund Germany