Director Cybersecurity And Infrastructure
Current
Aug 2022 - Present
AeroLeads people directory · profile
Greg Holzapfel Email & Phone Number
Director, Cybersecurity and Infrastructure at Castle Biosciences, Inc.
at
Castle Biosciences, Inc.
1 work email found
@t-mobile.com
LinkedIn matched
4 data sources
Profile completeness 100%
Current company
Role
Director, Cybersecurity and Infrastructure at Castle Biosciences, Inc.
Location
Friendswood, Texas, United States
Who is Greg Holzapfel? Overview
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Quick answer
Greg Holzapfel is listed as Director, Cybersecurity and Infrastructure at Castle Biosciences, Inc. at Castle Biosciences, Inc., based in Friendswood, Texas, United States. AeroLeads shows a work email signal at t-mobile.com and a matched LinkedIn profile for Greg Holzapfel.
Greg Holzapfel previously worked as Director Cybersecurity and Infrastructure at Castle Biosciences, Inc. and Associate Director of Information Technology at Castle Biosciences, Inc.. Greg Holzapfel holds Business Administration And Management, General from East Carolina University.
Company email context
Email format at Castle Biosciences, Inc.
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{first}.{last}@t-mobile.com
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AeroLeads found 1 current-domain work email signal for Greg Holzapfel. Compare company email patterns before reaching out.
Profile bio
About Greg Holzapfel
Collaborative senior management professional with experience in operations and technical leadership. Progressive leader with strategic innovative solutions to business challenges and track record emphasizing strong business, analytical, technical, and problem solving skills. Proven communication and cross-organizational leadership skills. Enthusiastic customer-focused leader consistently meeting commitments with integrity. - Security, Policy and NSA Compliance - Supply Chain Risk Management - Cybersecurity - Legislative/Regulatory Analysis - Technical Service & Support Management - Program Management - Relationship/Escalation Management - Process Analysis & Optimization - Organizational & Strategic Planning - Vendor Management - Service Performance Management - Customer Retention - Network Operations - Service Operations
Listed skills include Cross Functional Team Leadership, Networking, Tcp/Ip, Mpls, and 46 others.
Current workplace
Greg Holzapfel's current company
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12 roles · 32 years
Greg Holzapfel work experience
A career timeline built from the work history available for this profile.
Associate Director Of Information Technology
Jun 2021 - Aug 2022
Sr. National Security Manager
Current- Provide effective oversight of National Security initiatives focusing on operations, policy and planning that impact Critical infrastructure providers. Provide T-Mobile business units guidance and direction on security.
- Active member of:o DHS Cybersecurity and Infrastructure Security Agency’s (CISA) ICT SCRM Task Forceo Communications Information Sharing and Analysis Center (Comm-ISAC)o Communications Sector Coordinating Councilo CTIA.
- Active TS SCI Clearance
2020 - Present
~6 yrs 4 mos
National Security Manager
- Provide effective oversight of National Security initiatives focusing on operations, policy and planning that impact Critical infrastructure providers. Provide T-Mobile business units guidance and direction on security.
- Active member of:o DHS Cybersecurity and Infrastructure Security Agency’s (CISA) ICT SCRM Task Forceo Communications Information Sharing and Analysis Center (Comm-ISAC)o Communications Sector Coordinating Councilo CTIA.
- Active TS SCI Clearance
2016 - 2020
~4 yrs
Principle Consultant/President
Astro Consulting Services, Inc
I started an independent consulting company to provide network operations and service management services to clients. Clients: Time Warner Cable. Provided management support for TWC WiFi Product and Service Operations. Responsibilities included off-shore Care Operations, WiFI service performance and Regional field coordination and enablement.
2015 - 2016
~1 yr
Group Manager - Service Performance Management
Established, developed and managed Service Performance Management Center responsible for improving end-to-end service performance for Wireless Voice, SMS/MMS, M2M, Sprint Direct Connect, Small Cells, and VM/VVM.
2011 - 2014
~3 yrs
Sr. Manager - Network Quality Engineering
Improved customer experience and end-to-end service performance for Wireless Voice, SMS/SMS, Sprint Direct Connect and Voicemail through defect reduction and network optimization.
2008 - 2011
~3 yrs
Sr. Manager - National Technical Assistance Center
Provided top tier network and customer support of Sprint’s dedicated IP (Sprintlink), GMPLS and Peerless IP (PIP) networks improving IP network performance year over year utilizing aggressive network management and optimization.
2003 - 2008
~5 yrs
Sr. Manager - Engineering Services Group, Internet Backbone Operations
2000 - 2003
~3 yrs
Manager - Network Operations, Internet Service Center
1998 - 2000
~2 yrs
Network Engineer - Internet Services
1996 - 1998
~2 yrs
Sr. Systems Analyst
1994 - 1996
~2 yrs
1 education record
Greg Holzapfel education
-
East Carolina University
FAQ
Frequently asked questions about Greg Holzapfel
Quick answers generated from the profile data available on this page.
What company does Greg Holzapfel work for?
Greg Holzapfel works for Castle Biosciences, Inc..
What is Greg Holzapfel's role at Castle Biosciences, Inc.?
Greg Holzapfel is listed as Director, Cybersecurity and Infrastructure at Castle Biosciences, Inc. at Castle Biosciences, Inc..
What is Greg Holzapfel's email address?
AeroLeads has found 1 work email signal at @t-mobile.com for Greg Holzapfel at Castle Biosciences, Inc..
Where is Greg Holzapfel based?
Greg Holzapfel is based in Friendswood, Texas, United States while working with Castle Biosciences, Inc..
What companies has Greg Holzapfel worked for?
Greg Holzapfel has worked for Castle Biosciences, Inc., T-Mobile, Sprint, Astro Consulting Services, Inc, and Lockheed Martin.
How can I contact Greg Holzapfel?
You can use AeroLeads to view verified contact signals for Greg Holzapfel at Castle Biosciences, Inc., including work email, phone, and LinkedIn data when available.
What schools did Greg Holzapfel attend?
Greg Holzapfel holds Business Administration And Management, General from East Carolina University.
What skills is Greg Holzapfel known for?
Greg Holzapfel is listed with skills including Cross Functional Team Leadership, Networking, Tcp/Ip, Mpls, Network Engineering, Management, Wireless, and Product Management.
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