I am deeply saddened by the loss of Dr. Prosper Chaki: a dear friend, a valued colleague, and a truly gentle soul whose kindness and warmth I will always remember. He had a rare way of making people feel heard, valued, and at ease. His humility, calm spirit, and quiet strength left a lasting impression on everyone who had the privilege of knowing or working with him. Beyond his professional dedication, it was his compassion and genuine care for others that stood out most. His passing is a great loss, but his example of grace and humanity will continue to live on in our hearts and in the many lives he touched. May his soul rest in eternal peace, and may his family find comfort in the love and memories that surround them. With heartfelt sympathy,Bilali Kabula  …

I remember Prosper as an exceptionally generous, humble, and hard-working man, and these qualities were reflected in the legacy he built and the team he led. I hope you know that your impact will endure through the work you began, the colleagues you supported, and the belief you instilled that together we can make the world a healthier place. May time bring peace and comfort to your family. Thank you for the inspiration and for everything you shared with us.    …

Prosper was a kind and gentle man who cared deeply about those around him. He was dedicated to saving lives through his work in the field of vector control. He had grand and creative visions for the future and was passionate about finding ways to help people collaborate and continue to develop. Prosper was a friend and will be deeply missed by all who knew him. All my condolences to his family. …

What a loss! A man of great works that spoke for him. I heard the name before I even saw him. To the family of Dr Prosper, to the PAMCA family and to all friends and relatives, I pray may the Lord God comfort and guide us all in this time of deep sorrow and loss. May God provide for all the needs and strengthen us all to continue such a legacy and wonderful works as Dr Prosper did. May Your majesty and strength (Psalms 93:1) O Lord abound much more! …

It is with deep sorrow and a heavy heart that I learned of the passing of Dr. Prosper Chaki. His loss is immeasurable to the malaria research and public health community, and profoundly personal to me. I had the privilege of working closely with Dr. Chaki as a friend, mentor, and trusted advisor. He played a pivotal role in the establishment of the PAMCA Rwanda Chapter and was instrumental in the organization of several conferences on malaria control, including the PAMCA Conference. His vision, intellectual rigor, and unwavering commitment to malaria elimination inspired all who worked alongside him. Beyond his remarkable professional contributions, Dr. Chaki generously supported me in shaping my PhD journey. He believed in my initial idea on malaria elimination in the East African Community and guided me thoughtfully as it was refined to focus on Rwanda. His mentorship was marked by humility, kindness, and a genuine desire to see others grow. Dr. Prosper Chaki leaves behind a legacy of excellence, mentorship, and service that will continue to guide and motivate us. He will be deeply missed, but his impact will endure through the many lives he touched and the work he helped build. May Your Soul…

I am deeply saddened by the passing of Dr. Prosper Chaki. He served as the assessor of my MSc Public Health research proposal, a program jointly offered by Nelson Mandela African Institution of Science and Technology in collaboration with Ifakara Health Institute. During my oral proposal defence in November 2024, Dr. Chaki assessed my work with great professionalism and generosity. His insightful comments and constructive guidance significantly strengthened my research study. I am truly grateful for his mentorship and academic contribution. His dedication to public health research and capacity building will be remembered and deeply missed. May his soul rest in eternal peace, and may comfort be granted to his family, colleagues, and the academic community….

My brother Prosper, The Preacher in Ecclesiastes looked at life and concluded that “all is vanity, and chasing the wind”. One of the reasons that lead him to this conclusion is this: “I have seen everything in this meaningless life, including the death of good young people and the long life of wicked people” Because of the sorrow, we could agree with the Preacher, but yours was not a meaningless life. You were such a good man! A good husband and father, a good friend, a good colleague, a good mentor, a true son of Africa. You have accomplished so much and touched so many lives. Today I’m standing here with El Hadj and Sam, representing the PAMCA family. A family you served wholeheartedly for a good 10 years. Through thick and thin, you exemplified true servant leadership. We want to thank you. In the past 2 years as you were fighting for your life and as PAMCA was going through a crisis, you always wanted to support and help. We want to promise you that we will do everything we can to revive PAMCA. This moment of sorrow gives us even more resolve. We owe it to you…

 In Loving Memory of Dr. Prosper Chaki We are deeply saddened by the loss of Dr. Prosper Chaki. He was a respected leader and an outstanding expert in malaria and vector-borne diseases, playing a pivotal role in the China-Tanzania cooperation for malaria elimination. His contributions to the Ifakara Health Institute (IHI) and to Tanzania are truly irreplaceable. On a personal level, we have lost a truly great man. As a human being, he was one of the most humble people I have ever had the privilege to know, and he was immensely knowledgeable. His warmth and wisdom will be deeply missed by all of us. We extend our sincere sympathies to your team during this difficult time. May his legacy live on through the important work we continue to pursue together. Sincerely, The Collaborative TeamNIPD, China CDC…

I am honored I got to work with Prosper. I admired his perseverance, integrity, and communal spirit. May his memory be a blessing. …

Such a gentle, empowering, effective leader who achieved so much and inspired so many of us.  He was a role model leading by example, challenging injustices and always doing so with thoughtfulness, kindness and humour.  My condolences to his family, and to all his many friends and colleagues who will all miss him terribly….

I will remember Prosper as a gentle, passionate, effective leader who had the ability to unite diverse teams to achieve amazing results.  His empathy, humour and courage, inspired so many of us across the world.  A truley amazing man whom we will all greatly miss.   My sincerest condolences to his family and all those whose lives are touched by his loss….

Dear Dr. Prosper Chaki, I was trully priviledged to have known and worked with you.You were a great leader rich in wisdom,humility,resilience and trusted advisor and mentor to many of us.Your proffesionalism was exceptional,combining hard science with social science and approaching issues in a holistic way.PAMCA was clearly in your heart! Your humility and low profile taught me a lasting lesson,that titles matter less than character. Call me Prosper not Dr., so that we can work smoothly,reflected your approachable nature and genuine leadership.I learned  a lot from you and your guidance  will remain with me always. I extend my heartfelt condolences to your wife Doreen and to your children. May your soul rest in eternal peace. You will be remembered always,deeply missed and forever cherished,until we meet again….

Prosper and I worked together for a short time in recent years – he was a kind, humble, highly intelligent man who I know will be greatly missed by many people across East Africa and far beyond. He made a positive mark on the world and I am luck to have known him.My deepest sympathies to his family and many friends.Neil…

Prosper was a warm and gentle human being and I am so sorry to hear of his passing. I maybe only saw Prosper 4 or 5 times since we first met in 2010 but each time, I thoroughly enjoyed his company, and we shared some good laughs together when we did catch up. Some people really stick in your heart and mind and Prosper was one of them. My deepest condolences to his family. …