Keefer Silverstein: Email & Phone Number

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Video Marketing creator at Workbox Staffing|Grand Rapids, Michigan, United States

Position:

Video Marketing creator at Workbox Staffing

Location:

Grand Rapids, Michigan, United States

View Keefer Silverstein's Email

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Last updated: 2026-07-07

Updated: 2026-07-07

Found email addresses for Keefer Silverstein:

Business emails:

k****r@workboxstaffing.com

Personal emails:

k************n@gmail.com

Found phones for Keefer Silverstein:

+1-205-***-**55,

+1-870-***-**68,

+1-205-***-**19,

+1-480-***-**84

A different Keefer Silverstein?

Work Experience 10 years

Video Marketing creator at Workbox Staffing

Dec 2021 - Current

Filmmaker at Independent Filmmaker

May 2016 - Current

Marketing Intern at Workbox Staffing

Sep 2021 - Dec 2021

Executive Producer at Grand Valley TV

Aug 2020 - Jan 2023

Keefer Silverstein started working in 2016, then the employee has changed 2 companies and 3 jobs. On average, Keefer Silverstein works for one company for 4 years 4 months.

Their professional focus is Acting, Adobe Photoshop, and Adobe Premiere Pro across 3 core areas.

Education

Bachelor of Science - BS at Grand Valley State University

Frequently Asked Questions

What is Keefer Silverstein's email address?

SignalHire found verified email addresses for Keefer Silverstein, both business and personal. Their business email is k****r@workboxstaffing.com, and personal emails include k************n@gmail.com.

What is Keefer Silverstein's phone number?

SignalHire found multiple verified phone numbers for Keefer Silverstein: +1-205-***-**55, +1-870-***-**68, and +1-205-***-**19.

How do I contact Keefer Silverstein at Workbox Staffing?

You can reach Keefer Silverstein through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Keefer Silverstein's professional background?

Keefer Silverstein has 10 years of professional experience. They have held roles including Filmmaker, Marketing Intern, and Executive Producer at companies such as Independent Filmmaker, Workbox Staffing, and Grand Valley TV. Their education includes Bachelor of Science - BS from Grand Valley State University.

Is Keefer Silverstein's contact information up to date?

Yes. Keefer Silverstein's SignalHire profile was last updated on 7 July 2026, reflecting their current position as Video Marketing creator at Workbox Staffing in Grand Rapids, MI, United States.

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