Danny Leffel

CEO, Crew

Danny Leffel is currently the CEO & co-founder of Crew, a messaging and productivity app designed for mobile workforces. He previously founded Yardsellr, a service that operated on top of Facebook and Twitter to augment these services and provide the marketplace-specific functionality so that items could be bought and sold in the social feeds of users. During his time as the CEO at Yardsellr, Danny raised $16M from Tiger Global, Accel Partners and Harrison Metal and helped the company grow to 50 employees. Prior to Yardsellr, he co-founded InGameNow, and served as the VP of Business Development at VideoSurf, a computer-vision technology company turned video search engine that Microsoft acquired in 2011 for $100M. From 2004 to 2007, Danny served as the manager at eBay Business. Danny graduated from Trinity University in 1997.

Articles by Danny Leffel

The LinkedIn Playbook: How Startup Founders Can Stand Out & Scale

This LinkedIn Playbook is based on insights from a recent one-time Mucker Growth Session webinar featuring LinkedIn growth experts Alec Paul (Founder of SalesBrand) and Kyle Williams (Founder of Brickstack)....

DeepSeek vs OpenAI: Comparison Breakdown and What It Means For Your Tech Startup With Dan Cleary

In this recent webinar of our Mucker Growth Series, we discussed the evolving AI landscape with Dan Cleary, founder of PromptHub. He provided an in-depth breakdown of DeepSeek vs. OpenAI,...

Building Product Without Knowing Code With Adam New Waterson

In a deep dive into AI-driven product development, Adam New-Waterson, a former CMO turned Chief Product Officer and now solopreneur, shared how non-technical founders can harness the power of AI...

How To Build An Automated Sales Outreach Engine For Startups with ColdIQ

Many B2B startups (and even larger organizations) are unable to be successful with their outbound sales strategy because they take a lazy, “batch-and-blast” approach. In a recent Mucker Growth Series...

Navigating the AI Sales Tools Landscape To Grow Your Startup With Blue Bowen

We had the privilege of hosting, Eugene “Blue” Bowen, Research Principal from G2, one of the leading software marketplaces and review sites that cover a broad range of B2B solutions....

Compensation Benchmarks for Early Stage Startups with Peter Walker

In this Mucker Growth Session, Peter Walker from Carta reviews insights and compensation benchmarks for early stage startups gathered from Carta’s extensive dataset of nearly 50,000 startups. In the evolving...