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  • Writer's pictureGrace Kirkpatrick

Podcast: Ben joins the Nexus podcast with James Dice

Recently, Keyframe Partner Ben Birnbaum joined James Dice on his podcast “Nexus.”

Listen on:

Below, the show notes and highlights are re-printed. The original post can be found here.


#054: Ben Birnbaum on why solving climate means solving controls

“So that's how we got here... we were focused on enabling this massive energy retrofit opportunity or enabling people to implement this zero costs down energy savings. But then I realized there's no point if buildings don't have the infrastructure in place for that.”

—Ben Birnbaum

Welcome to Nexus, a newsletter and podcast for smart people applying smart building technology—hosted by James Dice. If you’re new to Nexus, you might want to start here.

The Nexus podcast (Apple | Spotify | YouTube | Other apps) is our chance to explore and learn with the brightest in our industry—together. The project is directly funded by listeners like you who have joined the Nexus Pro membership community.

You can join Nexus Pro to get a weekly-ish deep dive, access to the Nexus Vendor Landscape, and invites to exclusive events with a community of smart buildings nerds.

Episode 54 is a conversation with Ben Birnbaum, Partner at Keyframe Capital.


This is a fascinating look inside the mind of a technology investor who has invested in several past Nexus Podcast guests, including PassiveLogic, Aquicore, and Buildings IOT.

We talked about what brought Ben into the building technology space, why he's here to stay, even though he's learned about all the barriers and what it takes to succeed as a founder in our space.

Without further ado, please enjoy Nexus Podcast Episode 54.

Mentions and Links

Aquicore (1:07)

Aquicore (32:15)

Turntide (32:38)

You can find Ben Birnbaum on LinkedIn.


Thoughts, comments, reactions? Let us know in the comments.


  • Why Ben is a superconnector (14:27)

  • Ben's 3 "Holy Grails" or massive opportunities: Project/Asset Financing, No CapEx Solutions, and Fixing Controls (26:24)

  • Why now is the time for this industry to transform (43:24)

  • Ben's advice to startups in our space (52:18)


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