Greenfield Chennai International School is promoted by St.George Educational Trust, a charitable, educational trust founded by Shri. Jacob George, a prominent businessman and educationist, who serves as the Managing Trustee.
The Pre-primary, primary and CBSE School projects are headed by Shri George Jacob, who is a lawyer by profession, who has been serving as the CEO of Rajiv Gandhi College of Engineering, Sriperumbudur.
- Mrs. Susan Mathew, IAS (Retd) Former Additional Chief Secretary, Government of Tamil Nadu
- Dr. K. Jacob - Secretary of The Madras Medical Mission, a medical doctor by qualification and a successful industrialist
- Shri. Reji Abraham - MD, Aban Group of Companies
- Shri. Jacob George - Chairman
- Shri. K.A Mathew, IAS (Retd) - Advisor
- Shri. George Jacob - Director / Correspondent
- Shri. J.M. Bright - Administrator (Academics)
- Mrs. Aleyamma Mathew – Academic Head
- Dr. Jisha Varghese - Healthcare Expert