MumyMumy
  • News
  • Female Empowerment
  • Business
  • Politics
  • Career
  • Culture
  • Parenting
  • More
    • Web Stories
    • Popular
    • Pregnancy

Subscribe to Updates

Get the latest women's news and updates directly to your inbox.

Trending Now
impossible to look at them like before

impossible to look at them like before

6 November 2025
Housing tax: here are the 3 regions which overtax second homes the most

Housing tax: here are the 3 regions which overtax second homes the most

6 November 2025
How can you stop being afraid of seeing your parents get old?

How can you stop being afraid of seeing your parents get old?

6 November 2025
The Santa Cecilia Choir brings great music to mass

The Santa Cecilia Choir brings great music to mass

6 November 2025
A pyramid of toilet paper

A pyramid of toilet paper

6 November 2025
Facebook X (Twitter) Instagram
  • Privacy
  • Terms
  • Advertise
  • Contact
Facebook X (Twitter) Instagram Pinterest Vimeo
MumyMumy
  • News
  • Female Empowerment
  • Business
  • Politics
  • Career
  • Culture
  • Parenting
  • More
    • Web Stories
    • Popular
    • Pregnancy
Subscribe
MumyMumy
Home ยป How did Brian O’Kelley Build his tech empire?
News

How did Brian O’Kelley Build his tech empire?

By News Room16 August 20253 Mins Read
Share Facebook Twitter Pinterest LinkedIn Tumblr Reddit Telegram Email
How did Brian O’Kelley Build his tech empire?
Share
Facebook Twitter LinkedIn Pinterest Email

Brian O’Kelley: From Ad Tech Pioneer to Sustainable Business Leader

Early Career and Education

Brian O’Kelley, to American Entrepreneur and Tech Innovator, Earned a Degree in Computer Science and Economics. Early in his career, he developed expertise in digital advertising and software development, laying the groundwork for his future ventures. O’Kelley Quickly Gained A Reputation for Understanding How Technology Could optimize advertising processes, Making Him a Sought-After Mind in ad tech circles.

Founding Appnexus: Revolutionizing Digital Advertising

In 2007, O’Kelley Co-Founded Appnexus in New York City Alongside Mike Nolet. The Platform Aimed to Transform Programmatic Advertising by Enabling Real-Time Buying and Selling of Digital ad Space. Unlike Competitors at the time, Appnexus Offered Advertiser Transparency, Scalability, and Sophisticated Algorithms to Maximize ad performance.

Key Milestones Include:

  • First Major Client Wins (2008-2010): Appnexus Secured Leading Advertiser and Publishers, Quickly Building Creditity in the Digital Advertising Space.

  • International Expansion (2013-2015): The Company Opened Offices in London, Sydney, and Singapore, Serving Global Clients and Establishing A Worldwide Footprint.

  • Peak Operations: At its Height, Appnexus Employed Over 1,000 People and Processed Billions of Ad Impressions Daily.

In 2018, AT & T Acquired Appnexus for $ 1.6 Billion, Cementing O’Kelley’s Place as a key figure in ad tech. Notably, he kept less than $ 100 million from his stake, donating the rest to charities – an unusual move for a tech ceo, highlighting his big, ethical philosophy.

The Shift to Sustainability: CEO of Scope3

After Appnexus, O’Kelley Turned his Attention to Environmental Impact and Founded Scope3. The Company Specializes in Helping Businesses Measure, Track, and Reduce Carbon Emissions Across Their Supply Chains. By combing Advanced software with Environmental Accountability, SCOPE3 Provides Solutions that not only only meet corporate sustainability goals but so Help Companies Save Costs and Manage Regulatory Compliance.

Since Its Founding, SCOPE3 HAS:

  • Partnered with Major Enterprises Across Multiple Industries.


  • Developed software that Tracks Scope 3 Emissions (Indirect Emissions In Supply Chains), A Crucial Metric for Companies Aiming for Net-Zero Goals.

  • Positioned O’Kelley as a Thought Leader in Combining Technology With Social Responsibility.

Business Philosophy and Career Highlights

O’Kelley’s Career is Marked by Innovation, Ethical Decision-Making, and Practical Entrepreneurship:

  • Leadership style: He Emphasises Transparency, Data-Driven Decision-Making, and Staying Grounded, Even After Financial Success.

  • Charitable Giving: After Appnexus’s Sale, He Distributed the Majority of his Proceeds to Charitible Causes, Demonstrating that WEALTH CAN COEXIST with Social Responsibility.

  • Industry Recognition: O’Kelley is widely regarded as a pioneer in ad tech, influencing how digital advertising is bough, sold, and optimized globally.

What he’s Doing Now

Today, O’Kelley Continues to Expand Scope3, Advising Startups, Mentoring Entrepreneurs, and Promoting Sustainability in Tech. He Remains Focused on Building Impactful, Scalable Businesses While Demonstrating that Success and Responsibility Can Hand-in-Hand.

Share. Facebook Twitter Pinterest LinkedIn Tumblr Email

Related Articles

How Small Businesses Are Competing This Holiday Season
News

How Small Businesses Are Competing This Holiday Season

6 November 2025
The Real Wealth Behind Selling Sunset’s Cast
News

The Real Wealth Behind Selling Sunset’s Cast

6 November 2025
Sarah Paulson’s Career, Wealth & New Hulu Series
News

Sarah Paulson’s Career, Wealth & New Hulu Series

5 November 2025
Netflix Launches Video Podcasts to Expand Revenue
News

Netflix Launches Video Podcasts to Expand Revenue

5 November 2025
DOJ Ransomware Indictment 2025: .2M Insider Betrayal
News

DOJ Ransomware Indictment 2025: $1.2M Insider Betrayal

5 November 2025
WhatsApp Apple Watch App 2025: Meta Revenue Boost
News

WhatsApp Apple Watch App 2025: Meta Revenue Boost

5 November 2025
Latest News
Housing tax: here are the 3 regions which overtax second homes the most

Housing tax: here are the 3 regions which overtax second homes the most

6 November 20251 Views
How can you stop being afraid of seeing your parents get old?

How can you stop being afraid of seeing your parents get old?

6 November 20251 Views
The Santa Cecilia Choir brings great music to mass

The Santa Cecilia Choir brings great music to mass

6 November 20251 Views

Subscribe to Updates

Get the latest women's news and updates directly to your inbox.

Popular Now
At 53, Letizia from Spain makes us forget her age with this young princess hairstyle Culture

At 53, Letizia from Spain makes us forget her age with this young princess hairstyle

News Room6 November 2025
I’m a neurologist and this is the first sign of abnormal cognitive decline, nothing to do with memory Culture

I’m a neurologist and this is the first sign of abnormal cognitive decline, nothing to do with memory

News Room6 November 2025
How Small Businesses Are Competing This Holiday Season News

How Small Businesses Are Competing This Holiday Season

News Room6 November 2025
Most Popular
impossible to look at them like before

impossible to look at them like before

6 November 20250 Views
Housing tax: here are the 3 regions which overtax second homes the most

Housing tax: here are the 3 regions which overtax second homes the most

6 November 20251 Views
How can you stop being afraid of seeing your parents get old?

How can you stop being afraid of seeing your parents get old?

6 November 20251 Views
Our Picks
The Santa Cecilia Choir brings great music to mass

The Santa Cecilia Choir brings great music to mass

6 November 2025
A pyramid of toilet paper

A pyramid of toilet paper

6 November 2025
At 53, Letizia from Spain makes us forget her age with this young princess hairstyle

At 53, Letizia from Spain makes us forget her age with this young princess hairstyle

6 November 2025

Subscribe to Updates

Get the latest women's news and updates directly to your inbox.

Mumy
Facebook X (Twitter) Instagram Pinterest
  • Privacy Policy
  • Terms of use
  • Advertise
  • Contact
© 2025 Mumy. All Rights Reserved.

Type above and press Enter to search. Press Esc to cancel.