Prior to joining Kirkland & Ellis, Yawen was involved in the following selected matters:
- First Midwest Bancorp, Inc. in its pending merger of equals with Old National Bancorp.
- UnitedHealth Group Incorporated in its pending acquisition of Change Healthcare Inc.
- China Oceanwide Holdings Group Co., Ltd. in its proposed acquisition of Genworth Financial, Inc. (later abandoned)
- Insight Enterprises, Inc. in its acquisition of formerly NASDAQ-listed PCM, Inc.
