Complex sentence: Dr. K. M. Vasudevan Pillai is the founder and CEO of the Mahatma Education Society which employs over 2,000 teachers, many who have been trained in-house.
Split into simpler sentences: Dr. K. M. Vasudevan Pillai is the founder and CEO of the Mahatma Education Society. The Mahatma Education Society founded by Dr. Pillai employs over 2000 teachers, many who have been trained in-house.