PIPES Leadership

Staff & Partners

PIPES leadership team consists of highly dedicated men and women from a diverse background of cultural origins and careers.

Pastor Samuel Mwangi

Founder & Executive Director
Samuel founded PIPES International in 2011. By God's grace, Samuel and his wife, Esther have transformed thousands of lives, educated children and led thousands of indigenous peoples to the Lord on countless international mission trips. Samuel's fervent passion to share the love of God and end poverty is evident in the way he leads his team and shepherds the hearts of those in his care. Samuel provides leadership and creates a community of leaders through equipping and training staff and partners.

Esther Mwangi

Esther is a brilliantly minded wife, mother, and friend. Her heart for serving the Lord on the mission field shines brightly as a minister to women and those who desperately need the healing touch of Jesus. As one who takes her work seriously with PIPES, Esther carries the mantle of her responsibilities with diligence, integrity, and humility.

Pastor Isaac Maina

Programs Director, Africa
Isaac serves PIPES International as Programs Director for Africa. His duties include the massive responsibility of coordinating and overseeing the ongoing programs and projects in multiple countries in Africa. His heart for the Lord and for people is clearly seen in his actions and words. Isaac is a man of love and passion and a true friend to all who cross his path.

Pastor Victor Sirdar

Programs Director, Asia
Victor is a native of Pakistan and no stranger to the dangers of the mission field. Growing up in a culture caught in war, Victor deeply depended on the Lord and found himself answering the call to serve the Lord as a missionary. He coordinates PIPES programs in Asia, where PIPES has held mission trips in over ten countries. Victor is passionate about preaching and seeing his community thrive economically. He is passionate about discipleship and translated the Discipleship Pathway Workbook into Urdu. 

Stuart Isaac HARRIER

Marketing and Communications Director
Host of THE PIPELINE Podcast, international photographer, minister of music, and graphic designer, Stuart Isaac Harrier wears many hats within his role at PIPES International. His love for people and serving those in need is evident in how he ministers and serves. Married to his wife, Stuart and Vesta seek to serve the Lord as international missionaries in Africa and beyond.

Jane Kamuya

Programs Coordinator, Kajiando, Kenya
Jane serves as a missionary and friend to the indigenous Maasai people of Kenya. Having spent over a year in the mission field in Rwanda, Jane has learned what it means to sacrifice the comforts of home for the gospel's sake. Building relationships wherever she goes, Jane is truly an example of what it means to be at peace with everyone. She has established savings groups and Bible studies groups among Maasai women. She continues to advocate against early marriages and FGM among Maasai girls. 

Pastor Bernard Kambale

Programs Director, Democratic Republic of Congo.
It is hard to say just how vital Pastor Bernard is to the ongoing mission activities in the DRC. His relationship with the Pygmy people is an incredible blessing to advancing God's kingdom. Pastor Bernard is a man who leads by example and has helped establish a school with 700 children and now overseeing the construction of PIPES second school on Idjwi Island. 


Programs Director, Burundi
Through her local BCOM organization, Jane Kamau coordinates PIPES International programs in Burundi. Through her efforts, PIPES is helping hundreds of families with modern farming methods, seeds, and tools to enable them to increase their harvest significantly. She has also advanced our jigger treatment and prevention project. Jane and her husband, Bernard, visit cancer patients weekly and provide a meal for them.


Programs Coordinator, Rwanda
Bishop Joseph coordinates PIPES programs in Rwanda. Since 2018 when we identified the indigenous Rwanda people, Bishop Joseph has advanced the program in Ruduha and Kigali mountains. Through his efforts, we've assisted families with farming skills, seeds, and tools. We have also supported families with healthcare coverage. In 2022 PIPES purchased a property and helped establish a place of worship for the indigenous people in Ruduha village.