• About Us

    Why we do what we do.

  • Our Mission

    Personality Central's mission is to empower and equip salespeople of all industries with the right skills to succeed in their career and business.

  • Our History



    Establishment of Knowledge Base

    The founder Ethan Lin obtains his MBTI Certification and develops Personality-Central.com, learns all about human psychology through research and study.




    of Training Company

    With the knowledge and insights he obtained, he starts the training company with the purpose of improving communication and interpersonal relationships.




    of Sales Program

    Ethan ventures into the arena of sales, and focuses on the soft skill aspect of sales training, teaching salespeople to use practical psychology to improve their effectiveness.


    Additional Development of Program

    After several successful runs of his sales program People Mastery for Sales, Ethan continues to refine the program to meet the specific needs of salespeople. 


    Publishing of first book, 'The Mind Reader'

    Ethan publishes his first book in September 2017, which focuses on teaching salespeople the art of profiling and persuading clients.



    Expansion of Business into the Corporate Space

    The training is well-received by many organizations, including DBS, Citibank, AIA among others. Ethan focuses on development of advanced programs to focus on salesperson success.

  • Our Values

    What we believe in.


    We believe in saying what we do, and doing what we say. No over-promising.


    We teach because we love to, and our passion is to share the knowledge of practical psychology.


    We believe that a humble heart is necessary to keep up with change and having an open mind to our clients' needs.

    Hard Work

    We believe that constant application of thoughtful effort will lead to success.

    Love for People

    We are rooted in the love for people, and the desire to see others succeed.

  • The Founder

    Find out more about our founder and principal trainer.

    Ethan Lin Yihan

    Founder, Personality Central
    Creator of the People Mastery System

    • BBM, BAcc, Cum Laude, Singapore Management University
    • Certified MBTI© Practitioner
    • Certified ACTA by Workforce Development Agency
    • Founder of www.personality-central.com, with over 100,000 unique monthly visitors
    • Clients include prominent firms like DBS, Citibank, AIA, Prudential and AXA.
    • Featured in Asian Entrepreneur, 8 Days, Lianhe Wanbao, I-Weekly and Gold 90.5 FM and 93.8 FM Live
  • Contact us for Corporate Training.

    Want to customize training for your team?
    Or run group training for your sales team?

    Please contact us directly here by filling in the form below.

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