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Mark Hosang Email & Phone Number
Regional CISO
at
Randstad
1 work email found
@randstad.co.jp
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Who is Mark Hosang? Overview
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Quick answer
Mark Hosang is listed as Regional CISO at Randstad, a with 60729 employees, based in Aichi, Japan. AeroLeads shows a work email signal at randstad.co.jp and a matched LinkedIn profile for Mark Hosang.
Mark Hosang previously worked as Regional CISO Japan & APAC at Randstad Japan and Senior Manager - IT Security, Department Head at Randstad Japan. Mark Hosang holds Master Of Business Administration - Mba, International/Global Studies from Nucb Business School.
Company email context
Email format at Randstad
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{first}.{last}@randstad.co.jp
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AeroLeads found 1 current-domain work email signal for Mark Hosang. Compare company email patterns before reaching out.
Profile bio
About Mark Hosang
IT Director managing IT infrastructure and security for 100% remote workforce distributed around the world while leading a full-stack development team responsible for a proprietary project management application.Areas of Expertise • IT Strategy• IT Security & Ops - Policy & Implementation• Remote Worker Management • Full Stack Development• Compliance• Cost CuttingNotable Initiatives • Cut annual IT costs by 20%• Restored trust in IT team with business stakeholders• Implemented GDPR controls• Spearheaded Rackspace to O365 email migration• Developed metrics for insights into client profitability
Listed skills include Microsoft Sql Server, C#, Xml, Databases, and 16 others.
Current workplace
Mark Hosang's current company
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Randstad
18 roles
Mark Hosang work experience
A career timeline built from the work history available for this profile.
Regional Ciso Japan & Apac
Senior Manager - It Security, Department Head
Head of Security Department and Information Security Officer (ISO)Managed a team of 14 covering IT Infrastructure, Helpdesk, and Security
Aug 2022 - Jul 2023
It Senior Manager, Enterprise Services & Security
Head of IT Security and IT Infrastructure | Information Security Officer (ISO)Grew team from 2 to 5 professionals enabling the team to move to proactively reducing security risk. Drove multiple local security initiatives that were picked up globally and implemented in other operating companies.
Oct 2020 - Aug 2022
Live Stream Tanto - Chubu Walkathon
Jan 2020 - May 2022
Co-Chair - Program | Leader Of The Year
Jan 2020 - Dec 2020
Chair - Business Programs
Jan 2019 - Dec 2019
Secretary - Business Programs | Vice-Chair Of Young Professionals | Volunteer Of The Year Award
Jan 2018 - Dec 2018
Apr 2017 - Dec 2017
Board Member
Founded in 1964, the Nagoya International School is one of the leading international schools in Japan offering the International Baccalaureate curriculum. The Board of Directors sets the policy so that the school can achieve its mission of inspiring and empowering students to think creatively and critically, pursue lifelong learning, and contribute positively to the global community. - Inquire - Inspire - Impact -
Chief Information Officer
Responsible for IT Operations, Security, and Software Development team supporting 50 bilingual staff working remotely all over the world.
Jul 2016 - Sep 2020
Senior Software Engineer
Designed and developed new features for a translation project management system.
Nov 2011 - Jun 2016
Senior Software Developer
株式会社オネスト（Honest）
Performed data migration from legacy system to in house developed CRM application. Responsible for investigating, educating, and adopting of new technologies
Oct 2008 - Oct 2011
Consultant
Supported product, updated environments, improved processes, established standards, and ran client training sessions.
Jun 2004 - Aug 2007
Consultant
Designed and Implemented a bi-directional nightly integration between client’s internal app and CRM system on disparate DB technologies.
Jan 2006 - Jun 2006
Software Engineer
Lead application developer for client services applications, responsible for application visualization, architecture, design, development, project management, and production support.
Jun 2003 - 2004
Researcher/Writer
Investigated new approaches to lossless dictionary-based encoding of text files, resulting in published paper presented at poster session at Data Compression Conference 2002.
May 2001 - Aug 2001
Team & coworkers
Colleagues at Randstad
Other employees you can reach at randstad.com. View company contacts for 60729 employees →
KN
Katheryn Nuñez Piña
Colleague at RandstadChile
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VA
Vaibhav Awasthi
Colleague at RandstadAuraiya, Uttar Pradesh, India
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DE
Debora Evelyn Contreras
Colleague at RandstadTarragona, Catalonia, Spain
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AG
Anne-Marie Giroux
Colleague at RandstadMontreal, Quebec, Canada
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RY
Reneisha Yocum
Colleague at RandstadFort Worth, Texas, United States
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VD
Valérie Delprat
Colleague at RandstadGrèzes, Occitanie, France
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JS
Jan Soepenberg
Colleague at RandstadHengelo, Overijssel, Netherlands
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MN
Mubarik Nour
Colleague at RandstadUddevalla, Västra Götaland County, Sweden
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OO
Olakunle Oladipupo
Colleague at RandstadLondon, England, United Kingdom
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SW
Sally Wakeling
Colleague at RandstadGreater Darwin Area, Australia
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Katheryn Nuñez Piña
Colleague at RandstadChile
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VA
Vaibhav Awasthi
Colleague at RandstadAuraiya, Uttar Pradesh, India
View →
DE
Debora Evelyn Contreras
Colleague at RandstadTarragona, Catalonia, Spain
View →
AG
Anne-Marie Giroux
Colleague at RandstadMontreal, Quebec, Canada
View →
RY
Reneisha Yocum
Colleague at RandstadFort Worth, Texas, United States
View →
VD
Valérie Delprat
Colleague at RandstadGrèzes, Occitanie, France
View →
JS
Jan Soepenberg
Colleague at RandstadHengelo, Overijssel, Netherlands
View →
MN
Mubarik Nour
Colleague at RandstadUddevalla, Västra Götaland County, Sweden
View →
OO
Olakunle Oladipupo
Colleague at RandstadLondon, England, United Kingdom
View →
SW
Sally Wakeling
Colleague at RandstadGreater Darwin Area, Australia
View →
3 education records
Mark Hosang education
Master Of Business Administration - Mba, International/Global Studies
M.A., Computer Science
B.S., Computer Science
FAQ
Frequently asked questions about Mark Hosang
Quick answers generated from the profile data available on this page.
What company does Mark Hosang work for?
Mark Hosang works for Randstad.
What is Mark Hosang's role at Randstad?
Mark Hosang is listed as Regional CISO at Randstad.
What is Mark Hosang's email address?
AeroLeads has found 1 work email signal at @randstad.co.jp for Mark Hosang at Randstad.
Where is Mark Hosang based?
Mark Hosang is based in Aichi, Japan while working with Randstad.
What companies has Mark Hosang worked for?
Mark Hosang has worked for Randstad, Randstad Japan, Randstad Japan（ランスタッド株式会社）, American Chamber Of Commerce In Japan, and Nagoya International School.
Who are Mark Hosang's colleagues at Randstad?
Mark Hosang's colleagues at Randstad include Katheryn Nuñez Piña, Vaibhav Awasthi, Debora Evelyn Contreras, Anne-Marie Giroux, and Reneisha Yocum.
How can I contact Mark Hosang?
You can use AeroLeads to view verified contact signals for Mark Hosang at Randstad, including work email, phone, and LinkedIn data when available.
What schools did Mark Hosang attend?
Mark Hosang holds Master Of Business Administration - Mba, International/Global Studies from Nucb Business School.
What skills is Mark Hosang known for?
Mark Hosang is listed with skills including Microsoft Sql Server, C#, Xml, Databases, Integration, Software Development, Agile Methodologies, and Javascript.
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