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John Klem Email & Phone Number

Business development exec with 25 years experience executing and implementing content and revenue partnerships with media companies, corporations and their technology partners. at ProsperStack
Location: Alameda, California, United States 16 work roles 1 school
1 work email found @yahoo-inc.com 11 phones found area 408, 312, 510, 212, 732, and 816 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 11 phones

Work email j****@yahoo-inc.com
Direct phone (408) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Business development exec with 25 years experience executing and implementing content and revenue partnerships with media companies, corporations and their technology partners.
Location
Alameda, California, United States

Who is John Klem? Overview

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Quick answer

John Klem is listed as Business development exec with 25 years experience executing and implementing content and revenue partnerships with media companies, corporations and their technology partners. at ProsperStack, based in Alameda, California, United States. AeroLeads shows a work email signal at yahoo-inc.com, phone signal with area code 408, 312, 510, 212, 732, 816, and a matched LinkedIn profile for John Klem.

John Klem previously worked as Senior Advisor, Media Partnerships at Prosperstack and Business Development & Publisher Partnerships at Yahoo Finance. John Klem holds Business Administration from Roanoke College.

Company email context

Email format at ProsperStack

This section adds company-level context without repeating John Klem's masked contact details.

{first_initial}{last}@yahoo-inc.com
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AeroLeads found 1 current-domain work email signal for John Klem. Compare company email patterns before reaching out.

Profile bio

About John Klem

• Over twenty-five years of content/data/software licensing, distribution, strategic partnership and partner management experience• Proven ability to think strategically and creatively about business, develop and implement tactics to promote change and achieve goals• Experienced deal-closer with proven ability to structure and negotiate multi-faceted, custom partnerships and scale programs to generate revenue, enhance products, and drive trafficSpecialties: new business development, strategic partnerships, product partnerships, partner management, digital media, audience development, product development, content licensing, content syndication, content strategy, API licensing, developer ecosystems, technology licensing, contract negotiation, mobile and emerging platforms expertise

Listed skills include Strategic Partnerships, Monetization, Business Development, Content Strategy, and 46 others.

Current workplace

John Klem's current company

Company context helps verify the profile and gives searchers a useful next step.

ProsperStack
Prosperstack
Business development exec with 25 years experience executing and implementing content and revenue partnerships with media companies, corporations and their technology partners.
AeroLeads page
16 roles

John Klem work experience

A career timeline built from the work history available for this profile.

Senior Advisor, Media Partnerships

Current

Minneapolis, MN, US

Helping Media, DTC and SaaS companies reduce voluntary churn with ProsperStack's leading edge cancel deflection software. Easily integrated with all billing platforms along with rich features and robust analytics, ProsperStack can reduce voluntary churn by up to 30%.

Oct 2024 - Present

Business Development & Publisher Partnerships

New York, US

Jul 2023 - Apr 2024

Sales Consultant, North America

London, England, GB

Business development for dynamic subscription experience platform built for the effective optimization and personalization of the user experience, in order to drive conversion

Sep 2019 - Jul 2023

Svp, Business Development, North America

San Francisco, California, US

Business development for AI-powered, predictive Customer Data Platform (CDP) with real-time user and content engagement scoring (RFV)

Mar 2019 - Sep 2019

Svp Sales, North America

Content Insights Ad

Business development for next-generation content analytics solution that translates complex editorial data into actionable insights and helps content professionals increase their revenue and better understand and serve their audiences

Apr 2017 - Sep 2019

Head Of Business Development

New York, New York, US

Business development, content integrations and strategic partnerships for web-based charting, analytics and trading software with social networking platform used by 30M+ traders and investors worldwide to spot investment opportunities across global markets

Oct 2015 - Dec 2016

Publisher Business Development

London, GB

Publisher business development and strategic partnerships for award-winning n0tice open journalism platform

May 2014 - Dec 2014

Head Of Business Development

Business development, content distribution and strategic partnerships for iOS application and website that specializes in user generated step-by-step how-to guides

Jan 2014 - Apr 2014

Director, Global Product Partnerships

Sunnyvale, CA, US

Global business development and strategic partnerships for Yahoo Communications (Yahoo Mail and Messenger)

Mar 2013 - Dec 2013

Director, Product Business Development

Sunnyvale, CA, US

Global business development and strategic partnerships for the Yahoo Developer Network, Yahoo Mail Developer Platform, Yahoo Livestand, Yahoo Local and Yahoo Connected TV

Jul 2010 - Feb 2013

Director, Business Development, Integrated Consumer Experience

Sunnyvale, CA, US

Global business development and strategic partnerships for the then new Yahoo Home Page (Metro), My Yahoo, Yahoo Buzz, Yahoo Glue, Yahoo Application Platform and Yahoo Toolbar

May 2008 - Jun 2010

Senior Manager, Business Development, Social Search

Sunnyvale, CA, US

Business development and strategic partnerships for del.icio.us, Yahoo Answers, SearchMonkey, People Search, CAP Program, WOW Modules and Yahoo Toolbar

Jan 2007 - Apr 2008

Manager, Business Development, Front Doors

Sunnyvale, CA, US

Business development and partnerships for My Yahoo

Jun 2005 - Dec 2006

Content Services Manager

Managed strategic content syndication and distribution partnerships for the second-largest U.S. newspaper chain to corporate, enterprise, academic and mobile markets.

Jan 2002 - Jun 2005

Director, International Content Business Development

Isyndicate

Led global content strategy and acquisition for leading provider of syndication services, content, infrastructure, and technology

May 1999 - Apr 2001

Managing Director, International Syndication

Kansas City, MO, US

Led and managed international content syndication and marketing department for the largest independent newspaper syndicate with clients in over one hundred and twenty countries

Jul 1994 - Dec 1998
1 education record

John Klem education

  • Roanoke College
    Roanoke College
    Business Administration
FAQ

Frequently asked questions about John Klem

Quick answers generated from the profile data available on this page.

What company does John Klem work for?

John Klem works for ProsperStack.

What is John Klem's role at ProsperStack?

John Klem is listed as Business development exec with 25 years experience executing and implementing content and revenue partnerships with media companies, corporations and their technology partners. at ProsperStack.

What is John Klem's email address?

AeroLeads has found 1 work email signal at @yahoo-inc.com for John Klem at ProsperStack.

What is John Klem's phone number?

AeroLeads has found 11 phone signal(s) with area code 408, 312, 510, 212, 732, 816 for John Klem at ProsperStack.

Where is John Klem based?

John Klem is based in Alameda, California, United States while working with ProsperStack.

What companies has John Klem worked for?

John Klem has worked for Prosperstack, Yahoo Finance, Zephr, Deep Bi, Inc., and Content Insights Ad.

How can I contact John Klem?

You can use AeroLeads to view verified contact signals for John Klem at ProsperStack, including work email, phone, and LinkedIn data when available.

What schools did John Klem attend?

John Klem holds Business Administration from Roanoke College.

What skills is John Klem known for?

John Klem is listed with skills including Strategic Partnerships, Monetization, Business Development, Content Strategy, Social Media, New Business Development, Partner Management, and Partnerships.

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