Who is the Director- Telephone Engineering OSS of Cablevision?

Don Helms is the Director- Telephone Engineering OSS at Cablevision. Get verified contact information on StackWho.

Who is the Vice President, Engineering and Technology of Cablevision?

John Markowski is the Vice President, Engineering and Technology at Cablevision. Get verified contact information on StackWho.

Where is Cablevision located?

Cablevision is based in Bethpage, New York, United States.

Cablevision

Q: What industry is Cablevision in?

Cablevision operates in the telecommunications industry.

cablevision.com

telecommunications

cablevision.com

Bethpage, New York, United States

1001-5000 employees

LinkedIn Profile

About Cablevision

home services, internet service providers, local services, professional services, television service providers

Decision Makers at Cablevision

3 contacts

Don Helms

Director- Telephone Engineering OSS

d***@cablevision.com Sign up to view

John Markowski

Vice President, Engineering and Technology

j***@cablevision.com Sign up to view

Reggie Workman

Executive Vice President of Operations Engineering

r***@cablevision.com Sign up to view

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· 3 decision makers · Emails available

Sales Outreach Angle

Cablevision. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

Cablevision's Position in the StackWho Database

• Cablevision is 1 of 6,980 telecommunications companies tracked in StackWho.
• 6,918 telecommunications companies in our database have verified decision-maker emails (99% of the cohort).
• 23,956 companies in New York are in the StackWho database.
• 272 telecommunications companies are in the 1001-5000 employee range (same size as Cablevision).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Cablevision use?

Full technology stack data for Cablevision is available on StackWho.

How do I contact the decision makers at Cablevision?

StackWho has verified email addresses for 3 decision makers at Cablevision. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Cablevision directly for sales, recruiting, or partnerships.

What industry is Cablevision in?

Cablevision operates in the telecommunications industry, headquartered in Bethpage, New York, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.