Eric Lefkofsky

a27e5ac2-c649-4206-a831-dad67fe27ffb

ID
a27e5ac2-c649-4206-a831-dad67fe27ffb
Trending date
2026-07-24
Title
Eric_Lefkofsky
Normalized title
Eric Lefkofsky
Link
https://en.wikipedia.org/wiki/Eric_Lefkofsky
Wikipedia
Open article
Extract
<p><b>Eric Paul Lefkofsky</b> is an American billionaire businessman. He is the founder and CEO of Tempus AI, and the co-founder of Groupon, Echo Global Logistics (ECHO), InnerWorkings (INWK), and Mediaocean. As of June 2024, he is also a co-managing partner of Chicago-based venture capital firm Lightbank. As of September 2025, his net worth was estimated at US$6 billion.</p>
Summary
American billionaire businessman and tech entrepreneur; founded Tempus AI and co-founded Groupon.
View count
120496
Rank
11
Mystery rank
15
Newly trending
true
View delta %
266
Mystery
false
Trending reason
Trending reason (short)
Trending reason source
Search query used
Eric Lefkofsky
Prompt version
v2.3
Flag for test
false
Created at
2026-07-25T04:55:17.792319+00:00
View history (JSON)
[
  {
    "date": "2026-07-20Z",
    "views": 2280
  },
  {
    "date": "2026-07-21Z",
    "views": 4535
  },
  {
    "date": "2026-07-22Z",
    "views": 5180
  },
  {
    "date": "2026-07-23Z",
    "views": 32881
  },
  {
    "date": "2026-07-24Z",
    "views": 120496
  }
]
Raw search results
{
  "searchParameters": {
    "q": "Eric Lefkofsky",
    "type": "news",
    "num": 10,
    "autocorrect": false,
    "page": 1,
    "tbs": "qdr:w",
    "allowSuggested": true,
    "engine": "google"
  },
  "news": [
    {
      "title": "Country Music’s Newest Star Is A Groupon Billionaire’s Daughter",
      "link": "https://www.forbes.com/sites/conormurray/2026/07/22/stella-lefty-groupon-billionaires-daughter-scores-breakthrough-hit-on-billboard-charts/",
      "snippet": "Stella Lefty, a rising singer-songwriter whose father is a billionaire co-founder of Groupon, made her first appearance on the Billboard Hot 100 chart's top...",
      "date": "2 days ago",
      "source": "Forbes",
      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQqQjIUugg5EQbaJ_UINhOUOedykNc-JdoKgrTqEaVtvFp4O76Ywv6Afvo&usqp=CAI&s"
    },
    {
      "title": "Tempus to buy cancer test maker Personalis for $1.5 billion",
      "link": "https://kfgo.com/2026/07/20/tempus-to-acquire-personalis-for-1-5-billion/",
      "snippet": "By Christy Santhosh July 20 (Reuters) - Tempus AI said on Monday it would buy Personalis in a deal valued at about $1.5 billion, adding a cancer test to...",
      "date": "4 days ago",
      "source": "The Mighty 790 KFGO",
      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRUdhXJHaRvaZk73C2weTpHs13LXUGonIV-YIEWLlEEsxn2Huv8xaXd-s8&usqp=CAI&s"
    },
    {
      "title": "Expecting Massive Test Growth in Cancer & More, Tempus AI Strikes $1.5B Deal to Buy Personalis",
      "link": "https://medcitynews.com/2026/07/tempus-ai-personalis-acquisition-cancer-mrd-diagnostics-detection-tem-psnl/",
      "snippet": "Tempus AI, a company that brings artificial intelligence to diagnostics, is growing its capabilities in oncology through a $1.5 billion deal to buy...",
      "date": "4 days ago",
      "source": "MedCity News",
      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcT-vH9klVqW-s9g6s59Ixh3P0EvPIzFZnyarF6s72J0_nUgzP-g8EbXCuM&usqp=CAI&s"
    },
    {
      "title": "Who Are Stella Lefty’s Parents? Inside the Family Behind the ‘Boston’ Singer",
      "link": "https://www.yahoo.com/entertainment/music/articles/stella-lefty-parents-inside-family-173049537.html",
      "snippet": "Stella Lefty has moved from viral country-pop newcomer to Billboard top 10 artist after her single “Boston” climbed six places to No. 6 on the .",
      "date": "11 hours ago",
      "source": "Yahoo",
      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTUCIA92K2QKvzdzOJ4pyK_YQ8S3Zkgeu7HSzBOCo6iLP3BqOAbyBTCkPs&usqp=CAI&s"
    },
    {
      "title": "Tempus to buy cancer-tech firm Personalis for $1.7B",
      "link": "https://www.chicagobusiness.com/health-care/ccb-tempus-personalis-acquisition-20260720/",
      "snippet": "Tempus AI Inc., which uses artificial intelligence for tailored disease prevention and treatment, has agreed to buy Personalis Inc. in a deal that gives the...",
      "date": "4 days ago",
      "source": "Crain's Chicago Business",
      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQnKvksvjTz3vB838IifdWBc_WgCXc1d6Q3ygsI_dAIPMDaz8wJ2VAbTik&usqp=CAI&s"
    },
    {
      "title": "Who Are Stella Lefty’s Parents? All About Her Dad, Who is Worth Almost $5 Billion",
      "link": "https://www.justjared.com/2026/07/24/who-are-stella-leftys-parents-all-about-her-dad-who-is-worth-almost-5-billion/",
      "snippet": "Stella Lefty is one of the biggest rising stars in the music world right now and there's a lot of chatter about her being a \"nepo baby.\" The 23-year-old.",
      "date": "23 hours ago",
      "source": "Just Jared",
      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSMz4mFzohhi8HDaDXiyHOGkkR1DNbj46-XRRkYqXf9Kr91uBOKOgK0c-4&usqp=CAI&s"
    },
    {
      "title": "TEM’s Deal To Acquire PSNL Opens Door For $20B Cancer Market Opportunity – Retail Awaits To See Execution",
      "link": "https://www.tradingview.com/news/stocktwits:40ddb486c094b:0-tem-s-deal-to-acquire-psnl-opens-door-for-20b-cancer-market-opportunity-retail-awaits-to-see-execution/",
      "snippet": "Shares of healthcare technology company Tempus AI (TEM) attracted significant investor attention on Monday after the company struck a $1.5 billion all-stock...",
      "date": "4 days ago",
      "source": "TradingView",
      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRgyVBITeeo4VmEkUuN9wgsImjrD9W6OW9zhTPyTL_GGlxKrL820uO0OEo&usqp=CAI&s"
    },
    {
      "title": "Stella Lefty Net Worth",
      "link": "https://www.celebritynetworth.com/richest-celebrities/singers/stella-lefty-net-worth/",
      "snippet": "Stella Lefty is an American singer-songwriter who has a net worth of $10 million. Stella Lefty, whose real name is Stella Lefkofsky, rose to prominence with...",
      "date": "7 hours ago",
      "source": "Celebrity Net Worth",
      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRSgnBGoValIJrVbeUCck8zrB1qalhFWJwZVvzeyoI47Q0PBFTEN4fYox4&usqp=CAI&s"
    },
    {
      "title": "Tempus AI buys Personalis for $1.5 billion",
      "link": "https://grafa.com/en/news/united-states/tempus-ai-personalis-acquisition-1-5-billion",
      "snippet": "Tempus AI agreed to acquire Personalis for $1.5 billion, offering $16.25 per share to expand its cancer-monitoring and precision-oncology business...",
      "date": "3 days ago",
      "source": "grafa.com",
      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSpJ-3rLf_wF_9da5eZo5Blpxr6xy0CyQX9FhYiLEIoInkCyF7HXLQ4cu8&usqp=CAI&s"
    },
    {
      "title": "Richest Billionaires in Illinois",
      "link": "https://stacker.com/stories/illinois/richest-billionaires-illinois",
      "snippet": "Stacker compiled the richest billionaires in Illinois using data from Forbes. Net worth is as of June 18, 2026. The first billionaire is generally...",
      "date": "3 days ago",
      "source": "Stacker",
      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSaLTJ9JLYkeW5c4e1g5nMSOCfjnjY-t9e6YDGD0cvefAX7QwR17zRb6PQ&usqp=CAI&s"
    }
  ],
  "credits": 1
}

Evaluations(2)

From eval_results matching this article's title (or normalized title) and trending date. Reasoning is shown in full.

  • Field

    trending_reason_short

    Score

    5

    Pass

    Yes

    Prompt version

    v2.3

    Created

    Jul 25, 2026, 4:56 AM

    3691bd0c-39e7-4a8e-974e-0121c394d038

    Reasoning

    Faithfully captures all key facts from the source (daughter's hit, Billboard top 10, Tempus AI acquisition, Personalis, $1.5B figure), avoids title mention, and delivers a clear, concise summary at 33 words.
  • Field

    trending_reason

    Score

    4

    Pass

    Yes

    Prompt version

    v2.3

    Created

    Jul 25, 2026, 4:56 AM

    254f694d-5cfa-4493-b948-2b4183e1a4d8

    Reasoning

    Explanation is relevant, well-grounded in search results (Stella Lefty's Billboard success and Tempus AI's Personalis acquisition are both documented), and concise without filler; minor deduction only for stating the acquisition value as '$1.5 billion' when sources show both '$1.5 billion' and '$1.7 billion' figures, creating slight ambiguity.