Jekrinius Sirait is the founder of Jekrinius & Co. He graduated from University of Jenderal Soedirman with a bachelor of Law, and then obtained his master degree in Notary from Tarumanagara University.

He is a licensed advocate and a member of the Associations of Indonesian Advocates (PERADI), registered to practice before the Indonesia Intellectual Property Office as an IP Consultant, a licensed curator (receiver) and administrator in a bankruptcy or suspension of payment processes, a Procurement Lawyer from Indonesian Procurement Lawyers Association, and also registered as a mediator at the Supreme Court.