He was baptised in Saint Patrick's Cathedral, Karachi.  He later served as an altar boy at St. Patrick's Cathedral. He attended St. Patrick's High School until 1974. He joined the Government College of Commerce & Economics from where he obtained a B.Com degree in 1978.
In 1976 he started writing as a correspondent for the Morning News, an English language daily newspaper in Karachi.
In the past he has also been CEO & Executive Vice President at Asiatic PR – Hill & Knowlton Pakistan, Director of Marketing at Avari Hotels Limited and Corporate Manager at Pearl-Continental Hotels, Pakistan.
In 1990 he joined Preston University from where he obtained an MBA degree in Marketing in 1992. In 2005, when St. Joseph's College was returned to the Catholic Board of Education, Menin Rodrigues was the official representative of the Catholic Archbishop of Karachi in the matter of denationalization.
In his spare time writes about the past, present and future of Catholics in Pakistan.