Jeff Rumage
Staff Reporter at Built In
Expertise: Aerospace, Tech News, Human Resources, Professional Development and Workplace Culture
Education: University of Wisconsin-Madison

Jeff Rumage is a Built In staff reporter covering workplace culture in the tech industry. Before joining Built In in 2021, he worked as a reporter and editor for the Milwaukee Journal Sentinel, Patch and the Oconomowoc Enterprise. He earned a bachelor’s degree in political science and communications from the University of Wisconsin-Madison.

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The Cursor logo is shown on a smartphone in front of a laptop.
Cursor is leading a new wave of AI-native coding tools, shifting developers from writing code to directing agents. Here’s how the startup is differentiating itself in the vibe coding era.
A recruiter uses a magnifying glass to examine an applicant's online profile.
AI tools are increasingly citing LinkedIn posts and articles, reshaping how professionals get discovered. Learn how to optimize your profile and content to boost visibility, attract recruiters and stand out.
A finger toggles a switch from "on" to "off" to opt out of AI training.
The content you share online may be scraped to train AI models. Opting out can help you maintain control over your data, reduce the risk of unintended exposure and prevent your work from being reused without consent.
Apple CEO Tim Cook, right, walks with incoming CEO John Ternus at Apple Park.
Apple’s longtime hardware executive will take the company’s top job in September amid hopes that he will revive hardware innovation, define an AI strategy and guide the company through an increasingly complicated political landscape.
An airpline flies over a Terminal Radar Approach Control (TRACON) tower.
Air traffic controllers have been chronically understaffed for years, and the FAA is hoping gamers will trade in their controllers to earn a six-figure income keeping our airways safe.
A smartphone with the OpenAI logo is pictured in front of a larger image with the OpenAI logo.
OpenAI got “distracted by side quests” and is now refocusing on enterprise tools that generate revenue. We take inventory of all of the company’s side projects, including the ones it’s recently abandoned.
A photo of the Anduril logo on one of its office buildings.
By funding its own software-centered product development, the defensetech startup is reshaping how the U.S. builds and buys its weapons.
The Kalshi app loads on a smartphone.
Kalshi turns real-world uncertainty into financial derivatives. This growing prediction market allows users to trade on everything from interest rate decisions to rainfall totals — all within a federally regulated financial exchange.
The Terafab logo is displayed on a smartphone screen placed on a reflective surface with blue light projections.
Elon Musk is building his own chipmaking operation from scratch in a moonshot bid to single-handedly produce more computing power than the entire semiconductor industry combined.
A human finger and a robotic finger touch opposite ends of a lightbulb.
As companies begin factoring AI implementation into performance reviews, employees are being asked to prove its impact. Here’s how to quantify your results, explain your approach and show how your use of AI drives real business value.
Workers using team collaboration tools.
From messaging and video conferencing to project management and shared workspaces, we’ll break down some of the most popular collaboration tools — and how to choose the right option for your team.
A group of young professionals type prompts into AI chatbots.
AI was supposed to level the workplace playing field, but it’s causing a deeper disconnect. It’s time for intergenerational teams that pair digital fluency with human wisdom.