Individuals can improve. So can educational systems and business processes. This week, I ended up working on what became a theme. I spoke with one early-stage entrepreneur whose company is offering more tools to help people learn new careers, another whose software makes enterprise processes more efficient, and a CEO who is pushing formal education into the digital future. Read on:

Career Karma CEO Ruben Harris on Languages and Upskilling: CNBC Working Lunch

He’s a cellist and former investment banking analyst: Meet Career Karma CEO Ruben Harris, and hear how he plans to use a $40M Series B to expand access to tech jobs. He joined my latest Working Lunch on CNBC's Power Lunch:

He also joined me a little more than a year ago and shared his backstory:

Automation to Make the Enterprise Smarter: Workato CEO Vijay Tella

I spoke to Workato cofounder and CEO Vijay Tella about how customers are creating and sharing software “recipes” to move faster in a competitive environment. I also got insight into what he learned from growing up in a mining town where labor tensions flared:

Custom Plans and Languages: CEO Dan Rosensweig on Learn With Chegg

Chegg CEO Dan Rosensweig joined me on TechCheck to explain the evolution of the edtech company’s strategy to customize learning across a broader number of subjects:

Should Congress Be Banned from Trading Stocks? On the Other Hand

Federal Reserve Chair Jerome Powell this week told Congress that the central bank is tightening its ethics rules to ban Fed officials from buying individual stocks. But should lawmakers themselves adopt a similar rule? I argued both sides in my latest On the Other Hand, on CNBC’s Squawk Box:

On MLK weekend, check out The Black Experience in America: The Course, an online educational resource I researched, designed and built. A free PDF download is available to bring the material to kids, and the online interactive experience is made for young people and adults. You can also take interactive courses at your own pace.