Lim has over 26 years of tax experience, out of which 15 years been with Ernst & Young and PricewaterhouseCoopers. He is an associate member of the Chartered Tax Institute of Malaysia (CTIM) and is an approved tax agent under Section 153 from the Ministry of Finance, Malaysia. Lim majors in corporate tax compliance and in advisory covering on wide range of industries from construction and property developer, manufacturing, healthcare, shopping and leisure. He has conducted public talks in taxation and has been involved in various round table talks organized by the press media

is an approved company auditor registered with the Malaysian Ministry of Finance. She holds a Bachelor of Accounting (Honours) Degree and is a member of the Malaysian Institute of Accountants. She was an audit partner in charge of Assurance and Business Advisory in a Group A audit practice until she left in 2008 to set up Mary Tan & Partners. With over 25 years in public practice, Mary has been involved in a large portfolio of high profile audits both statutory and non-statutory, which include several public listed companies in Malaysia. She was also involved in the reverse takeover exercises of PN4 Public Listed Companies and Investigative Audit /Forensic Accounting assignments of PN4 Public Listed Companies. Mary also handled audit assignments of private and public companies, statutory bodies, co‑operatives with businesses engaged in licensed bank and finance, property development, manufacturing, shipping and plantation.