RGF CONNECT - Key Persons


Akihiko Mori

Job Titles:
  • Corporate Executive Officer of Recruit Holdings Co., Ltd. ( Finance, Accounting & Tax )

Ayano Senaha

Job Titles:
  • COO and Managing Corporate Executive Officer of Recruit Holdings Co., Ltd

Han Oey

Han Oey (1961) has been Chief Strategy Officer of RGF Staffing since 1 April 2019. Oey has started working for USG People, the predecessor of RGF Staffing in 2011. From 1 January 2018 he was promoted Global Director Business Development & Strategy of RGF Staffing. He started his career in the FMCG business followed by several international management positions in the telecoms industry in the areas of sales and marketing, M&A and strategy. Besides that, he is a co-founder and investor in innovative start-ups. Han Oey holds an MBA from the Rotterdam School of Management, Netherlands and HEC, France and has the Dutch nationality.

Hisayuki Idekoba - Chairman

Job Titles:
  • Chairman

Michael Whitmer

Job Titles:
  • Member of the Executive Management Team of RGF Staffing
Michael Whitmer (1964) has been a member of the Executive Management Team of RGF Staffing since 1 April 2019. He has been Chief Digital Officer of RGF Staffing since 1 January 2018, responsible for the Digital and IT domain. Whitmer holds a Bachelor of Science in Computer Science from University of West Georgia. He's been with Recruit since 1 July 2012 as operational CIO for Staffmark Group/Advantage Group UK, which he held until 1 January 2019. He started his career as a software engineer and has worked in technology for over 33 years, 17 in staffing. For the past 20 years, he gained a strong business acumen while holding numerous roles managing Information Technology internationally. Michael Whitmer holds American nationality.

Rob Zandbergen

Job Titles:
  • CEO of RGF Staffing
Rob Zandbergen (1958) has been CEO of RGF Staffing since 1 January 2018 and Chief Financial Officer since 1 January 2024. He is also Managing Corporate Executive Officer of Recruit Holdings and Head of Staffing Business. Previously, he was CEO of USG People (from 1 July 2010). He has been active in the temporary employment sector since early 2003. Zandbergen has held various international and national executive and supervisory positions at publicly listed companies. He graduated from the Royal Netherlands Military Academy in Breda and holds a master's degree in business economics from the University of Amsterdam. Rob Zandbergen holds Dutch nationality.

Tomo Hachiya

Job Titles:
  • Chief Product Officer of RGF Staffing
Tomo Hachiya (1984) has been Chief Product Officer of RGF Staffing since 1 October 2023. He has worked for Indeed since 2018, among others as Chief of Staff to CEO of Indeed and Recruit Holdings. Most recently as Vice President of Expansion and PMO at Indeed Flex where he led the US product launch. He started his career at Tokyo Disney Resort, in various positions spearheading numerous collaborations with The Walt Disney Company.

Yvonne Mastenbroek

Job Titles:
  • Chief Sustainability Officer of RGF Staffing
Yvonne Mastenbroek (1981) has been Chief Sustainability Officer of RGF Staffing since 1 April 2023. She is over 17 years with the company in various roles, supporting the company through its growth stages, from a European listed company to a global organization as part of Recruit. She has held several management positions like Chief of Staff at RGF Staffing global headquarters before being promoted to Chief of Sustainability Officer. Yvonne Mastenbroek is passionate about building the most sustainable staffing company and bridging opportunities for all and has the Dutch nationality.