He has been my inspiration since I was introduced to Shirdi on a visit to my friend's house in Kopargaon, in the Indian state of Maharashtra. This was back in 1989-1990. 

Almost all restaurants in this town serve only vegetarian fare. The city embodies his principles and represents a unique blend of religions, cultures and backgrounds. A seamless integration of mosque and mandir, faith and love.

Sai Baba opposed all persecution based on religion or caste. He was an opponent of religious orthodoxy — Christian, Hindu and Muslim. He advised his devotees and followers to lead a moral life, help others, love every living being without any discrimination, and develop two important features of character: faith (Shraddha) and patience (Saburi) ... from Wiki

The Sai Baba Sansthan manages his home and runs social welfare programs. 

You can read all about him in the Sai Charitra, a biography published in 1930 by Shri Govind Raghunath Dabholkar. Also available here.