Advisor And Chairman Emeritas
Current
Jul 2021 - Present
AeroLeads people directory · profile
Werner Sievers Email & Phone Number
Wireless Executive/Serial Entrepreneur
at
Cel-Fi by Nextivity
1 work email found
@cel-fi.com
3 phones found area 323 and 858
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Wireless Executive/Serial Entrepreneur
Location
San Diego, California, United States
Who is Werner Sievers? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Werner Sievers is listed as Wireless Executive/Serial Entrepreneur at Cel-Fi by Nextivity, based in San Diego, California, United States. AeroLeads shows a work email signal at cel-fi.com, phone signal with area code 323, 858, and a matched LinkedIn profile for Werner Sievers.
Werner Sievers previously worked as Advisor and Chairman Emeritas at Cel-Fi By Nextivity and President and CEO at Nextivity Inc. Werner Sievers holds Bachelor Of Science (Bs), Telecommunications Engineering from University Of Johannesburg.
Company email context
Email format at Cel-Fi by Nextivity
This section adds company-level context without repeating Werner Sievers's masked contact details.
{first}.{last}@cel-fi.com
86% confidence
AeroLeads found 1 current-domain work email signal for Werner Sievers. Compare company email patterns before reaching out.
Profile bio
About Werner Sievers
Werner Sievers is a Wireless Executive/Serial Entrepreneur at Cel-Fi by Nextivity. He possess expertise in strategic partnerships, mobile devices, product management, wireless, 3g and 19 more skills.
Listed skills include Strategic Partnerships, Mobile Devices, Product Management, Wireless, and 20 others.
Current workplace
Werner Sievers's current company
Company context helps verify the profile and gives searchers a useful next step.
7 roles · 45 years
Werner Sievers work experience
A career timeline built from the work history available for this profile.
President And Ceo
Developer of Cel-Fi, a breakthough carrier grade, middleprize and consumer class, smart booster product deployed by 11 of the top 20 MNO's in the world and the first and only cellular booster to be authorized by T-Mobile USA and ATT. Now authorized on more than 200 networks in 90+ countries.
Mar 2007 - Jul 2021
Advisor
Current
2006 - Present
~20 yrs 7 mos
Gm Cellular Products ( 3G )
2004 - 2005
~1 yr
President And Ceo
Zyray Wireless Inc
2000 - 2004
~4 yrs
Chairman And Ceo
Centera Pty Ltd
Feb 1989 - Mar 1994
Founder, Chairman, Ceo
1982 - 1987
~5 yrs
2 education records
Werner Sievers education
Bachelor Of Science (Bs), Telecommunications Engineering
Education record
Greenside High
FAQ
Frequently asked questions about Werner Sievers
Quick answers generated from the profile data available on this page.
What company does Werner Sievers work for?
Werner Sievers works for Cel-Fi by Nextivity.
What is Werner Sievers's role at Cel-Fi by Nextivity?
Werner Sievers is listed as Wireless Executive/Serial Entrepreneur at Cel-Fi by Nextivity.
What is Werner Sievers's email address?
AeroLeads has found 1 work email signal at @cel-fi.com for Werner Sievers at Cel-Fi by Nextivity.
What is Werner Sievers's phone number?
AeroLeads has found 3 phone signal(s) with area code 323, 858 for Werner Sievers at Cel-Fi by Nextivity.
Where is Werner Sievers based?
Werner Sievers is based in San Diego, California, United States while working with Cel-Fi by Nextivity.
What companies has Werner Sievers worked for?
Werner Sievers has worked for Cel-Fi By Nextivity, Nextivity Inc, Transaction Wireless, Broadcom, and Zyray Wireless Inc.
How can I contact Werner Sievers?
You can use AeroLeads to view verified contact signals for Werner Sievers at Cel-Fi by Nextivity, including work email, phone, and LinkedIn data when available.
What schools did Werner Sievers attend?
Werner Sievers holds Bachelor Of Science (Bs), Telecommunications Engineering from University Of Johannesburg.
What skills is Werner Sievers known for?
Werner Sievers is listed with skills including Strategic Partnerships, Mobile Devices, Product Management, Wireless, 3G, Cellular Communications, Start Ups, and Go To Market Strategy.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the Werner Sievers you were looking for.
Werner Sievers
2 email domains
