Sarthak Jain has over 5 years of experience in customer service and team management roles. He holds a diploma in software engineering and a BSC in IT. He joined Bharti Retail Private Ltd in 2010 as a team member and was promoted to Assistant Team Leader in 2013 and Team Leader in 2014. As Team Leader, his responsibilities include meeting sales targets, overseeing a 4,200 square foot area, ensuring customer satisfaction, and maintaining low inventory shrinkage. His education, work experience, and responsibilities are outlined in the document.