Jonathan Kier: Email & Phone Number

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Co President at Upgrade|Los Angeles, California, United States

Position:

Co President at Upgrade

Location:

Los Angeles, California, United States

View Jonathan Kier's Email

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Last updated: 2026-06-16

Updated: 2026-06-16

Found email addresses for Jonathan Kier:

Business emails:

j******n@sierra-affinity.com,

j***********r@weinsteinco.com,

j***r@upgradeprods.com

Personal emails:

j***********r@me.com,

k****4@earthlink.net,

k****4@gmail.com

Found phones for Jonathan Kier:

+1-323-***-**81,

+1-205-***-**02,

+1-909-***-**17,

+1-323-***-**11

A different Jonathan Kier?

Work Experience 28 years

Co President at Upgrade

Oct 2021 - Current

President at Sierra / Affinity

Apr 2019 - Oct 2021

President, International Sales & Distribution at Sierra / Affinity

Apr 2011 - Apr 2019

Executive Vice President, International Sales & Distribution at The Weinstein Company

Sep 2005 - Apr 2011

Manager, Deal Analysis at MTV

Oct 2003 - Sep 2005

Summer Associate, Investment Banking at Merryl Lynch

Jan 2002 - Jan 2002

Development Exec at Universal Studios Hollywood

Jan 1998 - Jan 2000

Jonathan Kier started working in 1998, then the employee has changed 5 companies and 6 jobs. On average, Jonathan Kier works for one company for 3 years 6 months.

Jonathan is proficient in French, Hebrew, and Italian. Their professional focus is Branded Entertainment, Broadcast, and Content Strategy across 3 core areas.

Education

MBA at New York University - Leonard N. Stern School of Business

BFA at New York University - Tisch School of the Arts

BAC at Lycee Jacques Prevert

Riverdale Country School

University of California, Berkeley

Frequently Asked Questions

What is Jonathan Kier's email address?

SignalHire found verified email addresses for Jonathan Kier, both business and personal. Their business email is j******n@sierra-affinity.com, and personal emails include j***********r@me.com, k****4@earthlink.net, and k****4@gmail.com.

What is Jonathan Kier's phone number?

SignalHire found multiple verified phone numbers for Jonathan Kier: +1-323-***-**81, +1-205-***-**02, and +1-909-***-**17.

How do I contact Jonathan Kier at Upgrade?

You can reach Jonathan Kier 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 Jonathan Kier's professional background?

Jonathan Kier has 28 years of professional experience. They have held roles including President, President, International Sales & Distribution, and Executive Vice President, International Sales & Distribution at companies such as Sierra / Affinity, Sierra / Affinity, and The Weinstein Company. Their education includes MBA from New York University - Leonard N. Stern School of Business, and BFA from New York University - Tisch School of the Arts.

Is Jonathan Kier's contact information up to date?

Yes. Jonathan Kier's SignalHire profile was last updated on 16 June 2026, reflecting their current position as Co President at Upgrade.

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