Richard Yoon


Richard Yoon is a CEO of PIA Investment Management. Prior to PIA Investment Management, Richard Yoon worked for Lehman Brothers Global Real Estate Group in Seoul for 5 years. He was responsible for transactions of various real estate assets and distressed debts, including real estate project financing and principal investments in real estate. Prior to joining Lehman Brothers, he worked at J.P. Morgan in Seoul and Hong Kong where he focused on M&A and corporate finance advisory services. He also worked for Macquarie as an executive in charge of managing an infrastructure fund and providing investment advisory services. Richard Yoon received B.S. in Business Administration from Georgetown University with the double major in Finance and International Business.

Ryan K. Choi

Managing Director

Ryan Choi was in charge of energy and infrastructure investment at Energy Private Equity firms including Stronghold Resource and American Energy Partners. Prior to joining American Energy Partners, Mr. Choi was a Senior Vice President at NH Investment & Securities (fka Woori Investment & Securities), based in Seoul, where his responsibilities included M&A advisory, acquisition financing, principal investment, and private equity fund management.He also provided strategic advisory service in the field of corporate finance and M&A at A.T. Kearney based in Seoul and Chicago. He was once a trader covering the energy sector at BNY Mellon, based in New York. Ryan Choi was awarded MBA in Energy from Price College of Business at University of Oklahoma and holds a B.S. in Finance & Accounting from Stern School of Business at New York University.

Eun Soo Lim

Managing Director

Eun Soo Lim is a Chief Compliance Officer of PIA Investment Management. Prior to joining PIA Investment Management, as a certified public accountant, he worked as an auditor and accounting consultant at accounting firms. Starting with the auditing and tax consultant at San Tong Accounting Corporation (KPMG), he has overseen the Chief Operating Officer (COO) and accounting / tax affairs at Citibank, UBS Securities and Bank since 2000. For about 10 years, he has been working as a compliance officer at the Korean branch of international banks, such as Goldman Sachs Bank and Societe Generale Bank, to handle compliance. Eun Soo Lim was awarded MBA from Sogang Business School and holds a B.A. in Business Administration from Pusan University.

Judy Choi


Ms Choi working for global Asset Management companies dealing with Asia Markets (Australia, China, Japan, India and Korea). Prior to PIA Investment Management, Ms. Choi was an Executive Director at Control Oversight Group in Goldman Sachs Asset Management Australia Pty., Ltd.. Prior to GSAM Australia, Ms. Choi was an Associate of Fund & Shareholder Services in Goldman Sachs Asset Management Korea, where she coordinate fund events and shareholder service over three years. Prior to GSAM Korea, she was a senior specialist in Operations team at Fidelity International Limited and supported overall fund administration by interfacing with fund administrator, client, trustee and other internal/external departments. Judy Choi holds a graduate certificate in Business (Accounting) from Queensland University of Technology in Australia and B.A. in Accounting and Business Administration from Chung Ang University.