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Tomofumi Okubo Email & Phone Number
Distributed Technologies Security Evangelist
at
NTT Digital, Inc.
1 work email found
@ipa.go.jp
3 phones found area 571, 801, and 703
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Distributed Technologies Security Evangelist
Location
Singapore, Singapore, Singapore
Company size
Who is Tomofumi Okubo? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Tomofumi Okubo is listed as Distributed Technologies Security Evangelist at NTT Digital, Inc., a company with 28 employees, based in Singapore, Singapore, Singapore. AeroLeads shows a work email signal at ipa.go.jp, phone signal with area code 571, 801, 703, and a matched LinkedIn profile for Tomofumi Okubo.
Tomofumi Okubo previously worked as Chief Security Officer at Penguin Securities and Digital Analyst at Japan Fair Trade Commission. Tomofumi Okubo holds Ba from Hosei University.
Company email context
Email format at NTT Digital, Inc.
This section adds company-level context without repeating Tomofumi Okubo's masked contact details.
{first_initial}{last}@ipa.go.jp
86% confidence
AeroLeads found 1 current-domain work email signal for Tomofumi Okubo. Compare company email patterns before reaching out.
Profile bio
About Tomofumi Okubo
Do the right thing and make the world a better place.Exploring the PKI twilight zone.Specialties: Public Key Infrastructure, Key Management Security, Documentation
Listed skills include Security, Pki, Information Security, Network Security, and 23 others.
Current workplace
Tomofumi Okubo's current company
Company context helps verify the profile and gives searchers a useful next step.
Ntt Digital, Inc.
17 roles
Tomofumi Okubo work experience
A career timeline built from the work history available for this profile.
Chief Security Officer
Current
Aug 2024 - Present
Digital Analyst
Current
Apr 2022 - Present
Director, Data Analytics
Nov 2019 - Jul 2024
Distinguished Engineer, Industry Relations
Mar 2018 - Nov 2019
Customer Advisory Board Member
Aug 2017 - Mar 2018
May 2021 - May 2023
Sr. Engineer, Applied Security
Oct 2014 - Mar 2018
Customer Advisory Board Member
Oct 2012 - Mar 2015
Identifier Systems Analytics Manager
Mar 2014 - Oct 2014
Cryptographic Key Manager
Jul 2010 - Mar 2014
Security Engineer
Dec 2008 - Jul 2010
Key Manager
Dec 2007 - Dec 2008
Customer Service
Apr 2006 - Dec 2007
Sales
Half Time Co., Ltd.
Jul 2005 - Feb 2006
Sales
Miracle Linux Corporation
Jan 2005 - Jun 2005
Editor
Naht Co,. Ltd.
Jun 2003 - Oct 2004
1 education record
Tomofumi Okubo education
FAQ
Frequently asked questions about Tomofumi Okubo
Quick answers generated from the profile data available on this page.
What company does Tomofumi Okubo work for?
Tomofumi Okubo works for NTT Digital, Inc..
What is Tomofumi Okubo's role at NTT Digital, Inc.?
Tomofumi Okubo is listed as Distributed Technologies Security Evangelist at NTT Digital, Inc..
What is Tomofumi Okubo's email address?
AeroLeads has found 1 work email signal at @ipa.go.jp for Tomofumi Okubo at NTT Digital, Inc..
What is Tomofumi Okubo's phone number?
AeroLeads has found 3 phone signal(s) with area code 571, 801, 703 for Tomofumi Okubo at NTT Digital, Inc..
Where is Tomofumi Okubo based?
Tomofumi Okubo is based in Singapore, Singapore, Singapore while working with NTT Digital, Inc..
What companies has Tomofumi Okubo worked for?
Tomofumi Okubo has worked for Ntt Digital, Inc., Penguin Securities, Japan Fair Trade Commission, Digicert, Inc., and Ipa: Information-Technology Promotion Agency, Japan.
How can I contact Tomofumi Okubo?
You can use AeroLeads to view verified contact signals for Tomofumi Okubo at NTT Digital, Inc., including work email, phone, and LinkedIn data when available.
What schools did Tomofumi Okubo attend?
Tomofumi Okubo holds Ba from Hosei University.
What skills is Tomofumi Okubo known for?
Tomofumi Okubo is listed with skills including Security, Pki, Information Security, Network Security, Information Security Management, Computer Security, Cloud Computing, and Dns.
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