David O. Location
- Deerfield, IL, US
David O. Work
- 2022 - now Director, Network and Voice Services @
- 2015 - now Sr. Manager, Network and Telecom Engineering @
- 2013 - 2015 Manager, Network Security Engineering @
- 2009 - 2013 Principal Engineer IT Security and Risk Management @
- 2004 - 2009 Technical Architect @
- 2000 - 2004 Network Engineer @
David O. Education
- DePaul University
Master of Science (M.S.) (Telecommunication Systems)
- DeVry University-Illinois
Bachelor of Science (B.S.) (Computer and Information Sciences, General)
David O. Skills
- Firewalls
- Information Technology
- Enterprise Architecture
- Telecommunications
- Network Security
- Information Security
- Remote Access
- Wireless
- Security
- CISSP
- PCI DSS
- Disaster Recovery
- Active Directory
- Data Center
- Lan Wan
- IT Management
- Compliance
- DNS
- WAN
- Governance
David O. Summary
- David O., based in Deerfield, IL, US, is currently a Director, Network and Voice Services at Walgreens. David O. brings experience from previous roles at Walgreens, United Airlines and Hospira, Inc. David O. holds a Master of Science (M.S.) in Telecommunication Systems @ DePaul University. With a robust skill set that includes Firewalls, Information Technology, Enterprise Architecture, Telecommunications, Network Security and more. David O. has 2 emails on RocketReach.
5 free lookup(s).
If you need more lookups,
subscriptions start at $34 USD/month.
Looking for a different David O.?
Find contact details for 700 million professionals.
Others Named David O.
David O´Sullivan
Founder
Ireland
David O
President of the Board of Directors
New York, NY, US
David O
Founder
Singapore
David O'Reilly
VP of Sales EMEA
Dublin, IE
David O.
Head of Business Process Transformation
Mexico City, CDMX, MX
Top Walgreens Employees
Abhi Dhar
Chief Information Officer
Chicago, IL, US
Rick Gates
SVP, Chief Pharmacy Officer
Deerfield, IL, US
Tyler Allison
Chief Information Security Officer
Chicago, IL, US
Greg Primuth
Vice President Brand Pharma Procurement
Deerfield, IL, US
Abbe Luersman
Executive Vice President and Chief Human Resource Officer
Deerfield, IL, US
Bradley Broadhead
Vice President Finance
Deerfield, IL, US
Mike Umbleby
Vice President, Pharmacy Administration and Services
Deerfield, IL, US
Robb Brown
Senior Vice President, Field Operations
Deerfield, IL, US
Raghu Valata
Vice President, Retail and Omni Merchandising
Deerfield, IL, US
Joseph Willey
Group Vice President, Pharmacy and Retail Operations
Deerfield, IL, US
Amazingautoservices Wash
Founder and Owner
Marietta, GA, US
Jeffrey Hall
Chief Transformation Officer
Deerfield, IL, US
Daniel Jennings
Executive Consultant and Advisor
Albany, NY, US
How It Works
Get a Free Account
Sign up for a free account. No credit card required. Up to 5 free lookups. 
Search the #1 Contact Database
Get contact details of over 700M profiles across 60M companies - all with industry-leading accuracy. Sales and Recruiter users, try out our Email Finder Extension. 
Use our AI-Powered Email Finder
Find business and personal emails and mobile phone numbers with exclusive coverage across niche job titles, industries, and more for unparalleled targeting. Also available via our Contact Data API. 
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co