Ms. Chang serves as our Chief Executive Officer, President, Secretary and director, and has held those positions since May 4, 2017. Since 2013, Ms. Chang has worked at Beijing Acer Truncatum Century Agricultural Science and Technology Co., Limited ("Beijing Acer"), which changed its name to Bao Feng Bio-Technology (Beijing) Limited in August 2017. From 2013 to 2016, she served as Beijing Acer's sales manager responsible for planning, implementing and directing the sales activities of the company including developing strategic plans, budget preparation and coordination of the sales teams. From 2016 to the present, Ms. Chang has served as Beijing Acer's Chief Executive Officer responsible for setting strategy and direction, modeling and setting the company's culture and values, leading and training the senior executive team and allocating capital. In 2013, Ms. Chang received a Master of Sciences degree in Technology and Innovation Management from Sussex University in the United Kingdom and in 2012 she received a Bachelor of Science degree in Product Design from the same university.
Ms. Pang has served as our Chief Financial Officer and director since May 2020. Ms. Pang is a member of the Hong Kong Institute of Certified Public Accountants and of the Association of Chartered Certified Accountants. Since July 2005, Ms. Pang has served as Managing Director of AGCA CPA Limited, a certified public accounting firm registered with the Hong Kong Institute of Certified Public Accountants, which provides audit, tax and advisory services to individuals and corporations. In 1995, she helped start Able Secretarial Services Limited, which currently provides corporate management services to, and serves as government liaison for, approximately 50 companies registered in Hong Kong, and she has served as its Managing Director since February 2012. Ms. Pang holds a Bachelor of Business Administration degree from the Chinese University of Hong Kong.