John Lin

Founder and CEO

After graduating with an Engineering degree from Cornell University, John worked his way up from a clerk position in the Chicago Mercantile Exchange. Since then, he’s lived and traded internationally in London and Tokyo, and now calls Singapore home. John founded Grasshopper in 2006, and plays an active role in guiding vision and strategy as its CEO.

John’s passion for teamwork, culture, and innovation makes him an inspiring mentor and visionary thinker. He devotes significant time and energy to influencing a better future for the next generation.

Tan T-Kiang

CIO

An early pioneer in electronic market making, T-Kiang has seen the advent of modern trading from writing code for UBS O’Connor in his cramped Chicago apartment in the 1990’s to full-scale build-outs of high frequency infrastructure for major investment banks across Asia like Lehman and Mizhuho.

As Chief Investment Officer, TK engages with major exchanges, corporate leaders, regional regulators, and key partners for Grasshopper.  He is a highly sought-after expert panelist at global conferences on trading, technology, and innovation.

James Leong

CFO

Formerly an Organisational Psychologist, James has proven himself adept and adaptable as a trader and corporate leader. Prior to becoming CFO, James also held positions as Head of Trading and COO at the firm.

Armed with a remarkable ability to keep an ear to the ground and an eye on the horizon, James’ decade-long contribution to the firm has been pivotal. Grasshopper has grown to 65 employees and earned a reputation as a regional powerhouse due, in no small part, to James’ efforts.

Rebecca Weinrauch

COO

Rebecca has over 20 years’ experience in financial markets, advising large financial services firms in the US and Asia. Prior to joining Grasshopper, Rebecca was General Counsel – Asia Pacific at KCG Holdings, a global liquidity provider, with responsibility for building the firm’s Asia operations.

Before that she held a variety of senior executive, legal counsel and compliance positions at Bank of America, Prudential Financial, Inc. and Credit Suisse First Boston. She has worked as an Enforcement Attorney for the US SEC and started her career in private legal practice.

Rebecca has a Juris Doctor degree from Benjamin N. Cardozo School of Law, New York and a BA in Political Science from The Johns Hopkins University.