Ashish Dean, B.Sc., Christian College, Lucknow, M.Sc., Physics, Lucknow University, M.Phil., Nagaland Gobal Open University has taught at Doon since 2005. Before he came to Doon, he taught at the Springdales School, Lucknow, Delhi Public School, Jagdishpur, and St. John Bosco College, Lucknow. His interests include electronics and basketball. He represented Lucknow district in the UP State Basketball championship.

Sandip S. Mann, M.Sc. (Computer Science), Associates Degrees (Information Technology), is on Old Boy of the school and has taught at Doon since 2004. Before he came to Doon, he worked in the United States as CAO of a hospitality management company. His interests include aeromodeling, electronics, emerging technologies, and squash.

Rajesh Majumdar, M.Sc., Physics, University of Allahabad and B.Ed., IGNOU, has taught at Doon since 2005. Before coming to Doon, he taught at Mayo College, Ajmer and Rajghat Besant School, Varanasi. His interests include coin and paper currency collection, pencil collection, publication work, astronomy and traveling.

Devendra Singh, B.Sc., Agra University, M.Sc., Physics, Agra University, B.Ed., has taught at Doon since 1983. Before he came to Doon, he taught at Welham Girls' High School, Dehra Dun, Government Secondary School, Shinkafi, Nigeria, Convent of Jesus and Mary, Dehra Dun, and CNI Intermediate College, Dehra Dun. He is interested in innovative methods of classroom teaching, sports, and trekking. He conceptualized and set up the Physics Museum at Doon. In 2002, he was awarded the Government of India's National Award for Teachers 2001.