Toshio Isohashi, Former Head of Public Offerings/Senior Advisor at Mitsubishi UFJ Morgan Stanley Securities Co., Ltd., Appointed as Full-time Corporate Auditor at ATOMica.
ATOMica announced the appointment of Toshio Isohashi, formerly of Mitsubishi UFJ Morgan Stanley Securities, as a full-time corporate auditor and Hikaru Aizawa as Executive Officer CAO, effective May 1, 2026, to strengthen its governance functions.
📋 Article Processing Timeline
- 📰 Published: May 2, 2026 at 00:00
- 🔍 Collected: May 1, 2026 at 15:32
- 🤖 AI Analyzed: May 1, 2026 at 15:50 (18 min after Collected)
ATOMica Inc. (Headquarters: Miyazaki City, Miyazaki Prefecture; Representative Co-CEOs: Mizuki Shimada, Kazuki Nambara; hereinafter "ATOMica") announced today that Toshio Isohashi has been newly appointed as a full-time corporate auditor, effective May 1, 2026. Concurrently, Hikaru Aizawa has been appointed as Executive Officer CAO (Chief Administrative Officer). Through these appointments, ATOMica aims to further strengthen its governance functions.
Left: Full-time Corporate Auditor Toshio Isohashi; Right: Executive Officer CAO (Chief Administrative Officer) Hikaru Aizawa
■ Background of Appointments
ATOMica is undergoing "business expansion and diversification" across two pillars to achieve its mission of "increasing trustworthy and reliable relationships": a "real platform business" where community managers are stationed in facilities such as coworking spaces, universities, banks, and corporate offices to foster human connections, and a "relation redesign business" that applies these relationships. Against this backdrop, the appointments of a full-time corporate auditor and a CAO are intended to further strengthen the corporate foundation, thereby advancing ATOMica's growth.
■ Biography/Comment of Full-time Corporate Auditor Toshio Isohashi
[Biography]
After graduating from Hitotsubashi University, joined Mitsubishi Bank, Ltd. (now MUFG Bank, Ltd.). Subsequently, he served as Head of Public Offerings and Senior Advisor at Mitsubishi Diamond Securities Co., Ltd. (now Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.). After engaging in IPO support at Taiyo Grant Thornton, he was appointed as a full-time corporate auditor at ATOMica Inc. in May 2026.
[Comment on Appointment]
I have been appointed as a full-time corporate auditor of ATOMica Inc.
While my capabilities may be humble, I believe my role is to leverage my past experiences, valuing speed, and contribute to building a sound and highly transparent management system. I will collaborate with management and employees, maintaining a flexible perspective, to foster a foundation for enhancing corporate value, sustainable growth, and an environment where challenges can be confidently pursued.
I will strive to ensure ATOMica Inc. earns the trust of everyone, and I look forward to your continued support.
■ Biography/Comment of Executive Officer CAO (Chief Administrative Officer) Hikaru Aizawa
[Biography]
After graduating from Sanno University, joined Works Applications Co., Ltd. Subsequently, he was involved in launching multiple departments, business improvement, and PM as a Business Development professional at an IT venture. At ATOMica, after working on launching new locations and designing evaluation systems, he shifted to the corporate domain with the launch of the information systems department, overseeing a wide range of back-office operations as Head of Corporate Operations. He was appointed Executive Officer CAO in April 2026.
[Comment on Appointment]
In realizing ATOMica's mission of "increasing trustworthy and reliable relationships," it is essential for the Team ATOMica itself to also have mutually trusting, sound, and reliable relationships.
Moving forward, I will dedicate myself to building a flexible, strong, and warm organization by supporting the performance of all employees from the corporate domain, thereby strengthening these relationships faster and more broadly than ever before.
■ About ATOMica Inc.
ATOMica Inc. (reading: Atomica) is a 7-year-old startup company with the mission of "increasing trustworthy and reliable relationships," operating a Social Coworking® business nationwide. To embrace all aspirations and continually connect people, the company produces and operates coworking facilities from scratch for various partners including corporations, local governments, universities, and communities. Centered around community managers stationed at each facility, ATOMica goes beyond the boundaries of a coworking space as a mere location, creating communities and developing towns to continuously generate encounters, exchanges, and co-creation. Currently, it operates over 60 facilities (as of May 2026) nationwide. Selected for "Toyo Keizai's Amazing 100 Ventures" 2025 edition.
■ Company Overview
Company Name: ATOMica Inc.
Established: April 5, 2019
Representatives: Representative Co-CEOs Mizuki Shimada, Kazuki Nambara
Location: Workstyling Nihonbashi Itchome, Nihonbashi Itchome Mitsui Building 5F, 1-4-1 Nihonbashi, Chuo-ku, Tokyo (Tokyo Office)
Business Overview: Social Coworking® business, including support for launching, planning, and operating coworking spaces, planning and operating industry-academia collaboration projects, and talent development and matching in DX/CX areas through communities.
Corporate Website: https://atomica.co.jp
Community Manager Special Website: https://atomica-communitymanager
Left: Full-time Corporate Auditor Toshio Isohashi; Right: Executive Officer CAO (Chief Administrative Officer) Hikaru Aizawa
■ Background of Appointments
ATOMica is undergoing "business expansion and diversification" across two pillars to achieve its mission of "increasing trustworthy and reliable relationships": a "real platform business" where community managers are stationed in facilities such as coworking spaces, universities, banks, and corporate offices to foster human connections, and a "relation redesign business" that applies these relationships. Against this backdrop, the appointments of a full-time corporate auditor and a CAO are intended to further strengthen the corporate foundation, thereby advancing ATOMica's growth.
■ Biography/Comment of Full-time Corporate Auditor Toshio Isohashi
[Biography]
After graduating from Hitotsubashi University, joined Mitsubishi Bank, Ltd. (now MUFG Bank, Ltd.). Subsequently, he served as Head of Public Offerings and Senior Advisor at Mitsubishi Diamond Securities Co., Ltd. (now Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.). After engaging in IPO support at Taiyo Grant Thornton, he was appointed as a full-time corporate auditor at ATOMica Inc. in May 2026.
[Comment on Appointment]
I have been appointed as a full-time corporate auditor of ATOMica Inc.
While my capabilities may be humble, I believe my role is to leverage my past experiences, valuing speed, and contribute to building a sound and highly transparent management system. I will collaborate with management and employees, maintaining a flexible perspective, to foster a foundation for enhancing corporate value, sustainable growth, and an environment where challenges can be confidently pursued.
I will strive to ensure ATOMica Inc. earns the trust of everyone, and I look forward to your continued support.
■ Biography/Comment of Executive Officer CAO (Chief Administrative Officer) Hikaru Aizawa
[Biography]
After graduating from Sanno University, joined Works Applications Co., Ltd. Subsequently, he was involved in launching multiple departments, business improvement, and PM as a Business Development professional at an IT venture. At ATOMica, after working on launching new locations and designing evaluation systems, he shifted to the corporate domain with the launch of the information systems department, overseeing a wide range of back-office operations as Head of Corporate Operations. He was appointed Executive Officer CAO in April 2026.
[Comment on Appointment]
In realizing ATOMica's mission of "increasing trustworthy and reliable relationships," it is essential for the Team ATOMica itself to also have mutually trusting, sound, and reliable relationships.
Moving forward, I will dedicate myself to building a flexible, strong, and warm organization by supporting the performance of all employees from the corporate domain, thereby strengthening these relationships faster and more broadly than ever before.
■ About ATOMica Inc.
ATOMica Inc. (reading: Atomica) is a 7-year-old startup company with the mission of "increasing trustworthy and reliable relationships," operating a Social Coworking® business nationwide. To embrace all aspirations and continually connect people, the company produces and operates coworking facilities from scratch for various partners including corporations, local governments, universities, and communities. Centered around community managers stationed at each facility, ATOMica goes beyond the boundaries of a coworking space as a mere location, creating communities and developing towns to continuously generate encounters, exchanges, and co-creation. Currently, it operates over 60 facilities (as of May 2026) nationwide. Selected for "Toyo Keizai's Amazing 100 Ventures" 2025 edition.
■ Company Overview
Company Name: ATOMica Inc.
Established: April 5, 2019
Representatives: Representative Co-CEOs Mizuki Shimada, Kazuki Nambara
Location: Workstyling Nihonbashi Itchome, Nihonbashi Itchome Mitsui Building 5F, 1-4-1 Nihonbashi, Chuo-ku, Tokyo (Tokyo Office)
Business Overview: Social Coworking® business, including support for launching, planning, and operating coworking spaces, planning and operating industry-academia collaboration projects, and talent development and matching in DX/CX areas through communities.
Corporate Website: https://atomica.co.jp
Community Manager Special Website: https://atomica-communitymanager