MBK Human Capital Announces CEO Transition
Dallas, Texas – November 3, 2025 — MBK Human Capital, the holding company of The Delta Companies and Accountable Healthcare Staffing, two leading healthcare staffing firms in the United States, today announced the appointment of Jun Usami as its new Chief Executive Officer, effective November 10, 2025. Mr. Usami has also been appointed Chairman of the Board for both the Delta Companies and Accountable Healthcare Staffing.
Former CEO Takashi (“Tak”) Kimiwada will relocate to Tokyo to assume a new leadership role overseeing Mitsui & Co., Ltd.’s global healthcare business. Mitsui, one of the world’s largest investment and trading companies with over $100 billion in assets, is the sole shareholder of MBK Human Capital.
MBK Human Capital was established as the parent company of The Delta Companies and Accountable Healthcare Staffing. As healthcare represents one of Mitsui’s key strategic initiatives under its Medium-term Management Plan 2026, MBK Human Capital plays an integral role in advancing Mitsui’s healthcare platform in the United States.
In line with Mitsui’s strategic direction, MBK Human Capital aims to become one of the largest and most trusted healthcare staffing groups in the world, through the continued growth of its group companies and strategic acquisitions of other healthcare staffing firms. Leveraging Mitsui’s global resources and MBK’s proven management capabilities, the company remains committed to sustainable value creation and long-term positive impact on society.
Mr. Usami brings extensive industry experience to his new role, having served as an executive officer and a board member at both Accountable Healthcare Staffing and The Delta Companies. He has been active in the healthcare staffing industry for more than a decade.
“I am honored to be entrusted with leading MBK Human Capital as CEO and Chairman of the Board,” said Jun Usami. “Building on the strong foundation established by Tak and our talented teams at The Delta Companies and Accountable Healthcare Staffing, we will continue to drive growth through working together with outstanding members of the companies. Furthermore, we will deliver workforce solutions that empower healthcare organizations and support professionals in advancing their careers while achieving a balanced life.”
“I am confident that Jun will lead MBK Human Capital into its next phase of growth,” said Tak Kimiwada. “From my new role at Mitsui’s headquarters, I will continue to support MBK Human Capital’s further development and contribution to the global healthcare sector.”
About MBK Human Capital
MBK Human Capital is a wholly owned subsidiary of Mitsui & Co., Ltd (Mitsui). MBK Human Capital was established as the holding company for The Delta Companies and Accountable Healthcare Staffing: both are leading healthcare staffing firms nationwide. MBK Human Capital has a clear vision to become one of the largest and most trusted staffing companies in the United States, through the acquisition of other healthcare staffing companies and the continuous success of The Delta Companies and Accountable Healthcare Staffing.
Link:
https://mbkhumancapital.com/
About Mitsui & Co., Ltd
Mitsui & Co., Ltd (Mitsui) is one of the largest investment and trading companies in the world with over $100 billion in assets, headquartered in Tokyo, Japan. Founded in 1947, the company has established a global presence and engages in industries such as Mineral & Metal Resources, Energy, Machinery & Infrastructure, Chemicals, Iron & Steel Products, Lifestyle, Innovation & Corporate Development. Healthcare is one of Key Strategic Initiatives in Mitsui’s Mid-term Management Plan for 2026.
Link:
https://www.mitsui.com/jp/en/index.html
About The Delta Companies
The Delta Companies provides physician and allied (physical therapist and occupational therapist) staffing services to healthcare facilities across the United States. The Delta Companies was founded in 1997, and is headquartered in Dallas, Texas,
Link:
https://www.thedeltacompanies.com/
About Accountable Healthcare Staffing
Accountable Healthcare Staffing provides nurse staffing and Managed Service Provider (MSP) services to healthcare facilities across the United States. Accountable Healthcare Staffing was founded in 2012 and is headquartered in Dallas, Texas.
Link:
https://www.ahcstaff.com/
