Kei Otabe joined U.S. public accounting firm Deloitte & Touche LLP in 2003 and was engaged in audit services. In 2006, he joined UBS Securities Japan Co., Ltd., where he was engaged in advisory services relating to M&A and corporate finance in the investment banking division′s Global Industrial Group (GIG) and M&A Advisory Group. He subsequently transferred to Greenhill & Co. Japan Ltd., a boutique investment firm headquartered in the U.S., and was involved in M&A advisory services throughout his time there. He joined Frontier Management Inc. in 2012.

He was engaged in investment banking for more than 10 years. He provided diverse investment banking solutions ranging from M&A advisory services to corporate finance advisory services and has practical business experience and knowhow.

At Deloitte & Touche LLP (the Los Angeles office), he was engaged in audit services for U.S. corporations and Japanese corporations in the U.S.

At UBS Securities Japan Co., Ltd., Greenhill & Co. Japan Ltd. and Frontier Management, he has been involved in numerous M&A deals mainly relating to the construction materials, machinery, electronic parts, electrical machinery, chemical and communication sectors.

Examples include financial advisory services relating to Aica Kogyo Co., Ltd.’s acquisition of subsidiaries in Asia of Wilsonart LLC by share transfer, foundation of the joint venture by Daiken Corporation and T.O. Holdings CO.,LTD., NGK SPARK PLUG CO., LTD.’s acquisition of CAIRE Inc., by share transfer, Sekisui Chemical Co., Ltd.’s acquisition of Veredus Labolatories Pte Ltd. of Singapore by share transfer, Murata Machinery, Ltd. ’s acquisition of AGVE AB of Sweden by share transfer, ECi Software Solutions’ acquisition of Print Fleet Inc. of Canada by share transfer, Daiken Corporation’s acquisition of Dongwha New Zealand, an affiliate of the Dongwha Group of South Korea and Fletcher Building of Australia, by share transfer, the sale of the shares of P-Parking International of Singapore to Nissei Build Kogyo Co., Ltd., Aica Kogyo Co., Ltd. ’s acquisition of MMK Corporation, a subsidiary of Mitsubishi Materials Corporation, by corporate split and share transfer, Aica Kogyo Co., Ltd. ’s acquisition of Showa Denko K.K. ’s phenolic resin business by corporate split and share transfer, Murata Machinery, Ltd. ’s acquisition of Cimcorp Oy of Finland and RMT Inc. of Canada by share transfer, Aica Kogyo Co., Ltd. ’s sale of printed circuit board business to Nippon Mirai Capital Co., Ltd. by corporate split and share transfer, Nakayama Steel Works Ltd. ’s sale of Nankai Chemical Industry Co., Ltd. by share transfer to Nankai Global Chemi (MBO), Heiwa Corporation′s acquisition of PGM Holdings K.K. by tender offer (including 64.2% Lone Star Funds’ holding), U.S.-based AT&T Inc. ’s sale of part of business of AT&T Japan K.K. to Internet Initiative Japan Inc. (ILJ) by corporate split and share transfer, merger of EACCESS and EMOBILE through share exchange, Orix Corporation 's sale of ORIX Credit Corporation to Sumitomo Mitsui Banking Corporation by share transfer, leveraged buyout of PATLITE Corporation through tender offer by Palace Capital K.K. and founding family, and corporate finance advisory services to Sharp Corporation.