Serial entrepreneur building at the intersection of energy, AI, and the built environment.

I'm Josh Lake: builder, technologist, and lifelong optimist. From concentrated solar and shared EVs to autonomous delivery robots and home electrification, I've spent nearly two decades starting companies at the frontier of climate technology. Now I'm building with AI.

Co-Founder, Elephant Energy Founder, Infinite Timber MIT '07 Eagle Scout
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From Pennsylvania pines to Colorado peaks.

Josh Lake at Moraine Lake wearing MIT hoodie, surrounded by pine trees and mountains

I grew up in rural Pennsylvania surrounded by pine trees, cold creeks, and white-tailed deer. Hunting, fishing, camping under actual stars. I earned my Eagle Scout before 18, an experience that taught me self-reliance, service, and a deep respect for the natural world.

MIT sharpened my mind. Materials Science & Engineering, the Institute for Soldier Nanotechnologies, co-founding Hemetrics (biomedical diagnostics), and winning the $1K Warmup Competition. The best way to understand something is to build it.

California ignited my ambition. Concentrated solar at Amonix, world-record CPV modules across the Southwest. Electric vehicles at Evercar, putting Nissan Leafs into rideshare drivers' hands. Autonomous delivery at Nuro, one of the earliest operations hires scaling from a founding team to a real company.

Colorado became home. Rachael, Scout, and I put down roots in Boulder. I co-founded Elephant Energy to electrify everything and spent five years building the team and technology that made it the easiest way to get off fossil fuels. Now I'm building again.

Josh Lake Eagle Scout ceremony, Pennsylvania
Josh Lake skiing in Zermatt with the Matterhorn
Amonix CPV solar tracker in the Nevada desert
Josh Lake with Nuro autonomous delivery robot
Josh Lake at General Sherman tree, Sequoia National Park
Career Timeline
2026-
Founder
AI-powered timber research and brokerage platform. Tools like Prospector, Sky, Owl, and Scout bring technology to one of the world's oldest industries.
2025-
Founder
Tools and resources helping Colorado homeowners understand heat pump rebates, incentives, and the path to electrification.
2021-26
Co-Founder & CTO
Elephant Energy
Built the platform and team making it simple for homeowners to replace fossil fuel appliances with heat pumps, induction stoves, EV chargers, and smart panels. Colorado, Massachusetts, and Southern California. Series A from Building Ventures and Arborview Capital.
2018-21
Independent Consultant
Embark Trucks, NJ Resources
Advised autonomous trucking, utility-scale energy, and technology companies on operations, strategy, and scaling. Also founded Float Robotics and Newtility during this period.
2017-18
Head of Operations
Nuro
Early operations leader at the autonomous delivery robotics company. Built the foundation from founding team through early growth. Nuro went on to raise over $2B and partner with Uber and Kroger.
2013-17
COO & Board Member
Evercar / Vision Fleet
Built operations for one of the first shared EV fleets for rideshare drivers. Pioneered EV-as-a-service in LA, SF, and Indianapolis. Nissan Leafs rented hourly to Uber and Lyft drivers.
2010-13
Sr. Program Manager
Amonix
Concentrated photovoltaic solar. Managed utility-scale deployments across the American Southwest. World records for solar module efficiency (34.9%) verified by NREL. Backed by Kleiner Perkins and Goldman Sachs.
2011-12
Certificate
Stanford University
Mechanical Engineering: Design for Customer Value & Market Success.
2009-10
Co-Founder & COO
532 Solar
Solar project development. My first step into clean energy, right out of strategy consulting. Named for the wavelength of green light (532nm).
2007-09
Business Analyst
Altman Vilandrie & Company
Telecom and technology strategy consulting in Boston. Learned to think analytically about markets, then decided I'd rather build in them.
2003-07
B.S. Materials Science & Engineering
Massachusetts Institute of Technology
J&J Excellence in Biomedical Engineering Award. $1K Warmup Competition winner. Three-time Soldier Design Competition finalist. Research at ISN and Sandia National Laboratories. Co-founded Hemetrics and Sensornet, both with functional hardware prototypes and patents filed.

Companies, explorations, and the ideas I couldn't let go of.

AI & Timber2026-Present

Infinite Timber

AI-powered timber research and brokerage platform. Building tools like Prospector, Sky, Owl, and Scout to bring intelligence and transparency to one of the world's oldest and most opaque industries.

Home Electrification2021-2026

Elephant Energy

Co-founded and served as CTO. Built the platform making it easy for homeowners to ditch fossil fuel appliances for heat pumps, induction stoves, and EV chargers. Three states. Series A from Building Ventures and Arborview Capital.

Electric Vehicles2013-2017

Evercar / Vision Fleet

COO & Board Member. Built operations for one of the first shared EV fleets for rideshare drivers. Pioneered EV-as-a-service in LA, SF, and Indianapolis. Backed by Vision Ridge Partners.

Solar Development2009-2010

532 Solar

Co-founded a solar project development company. My first step into clean energy, straight from strategy consulting. Named for the wavelength of green light (532nm).

Hardware Startups, Incorporated, Funded, Prototyped

Three incorporated companies that received initial funding. All were hardware ventures with real prototypes, filed patents, and explored commercial viability. None went to market, but each sharpened the instincts that shaped what came next.

Autonomous Robotics
Float Robotics
Incorporated and funded. Built functional autonomous robotics prototypes. Filed patents. Market timing wasn't right. Had nothing to do with the ocean.
Biomedical
Hemetrics
First startup, co-founded at MIT. Built working biomedical diagnostics prototypes and filed patents. Spun out of research that earned the J&J Biomedical Engineering Award.
Sensor Networks
Sensornet
Incorporated and funded. Built functional prototypes for connected sensor networks in built environment applications. Filed patents.
Earlier Explorations

Not everything becomes a company. Earlier-stage explorations investigating markets and models before committing fully.

Logistics
Hub Logistics
Investigated hub-and-spoke logistics models. Explored viability before moving on.
Energy
Newtility
New utility concept. Explored alternative models for residential energy services. The thinking here led directly to Elephant Energy.
Also worked with
AmonixNuroEmbark TrucksNJ ResourcesAltman Vilandrie & CoSandia National Laboratories

The future is electric, intelligent, and abundant.

01

Electrify Everything

Every fossil fuel appliance in every building will be replaced by an electric one. Heat pumps, induction stoves, EV chargers, smart panels. This is the largest market transformation since the internet. I built Elephant Energy on this conviction and we're still in the first inning.

02

AI Changes Everything, Again

The most significant technology shift since electricity itself. AI agents will create entirely new business models with near-zero marginal cost. Companies that understand this will build with 10 people what used to require 100. I'm building every new venture AI-first, not AI-added.

03

Zero Marginal Cost Is Real

Jeremy Rifkin was right. Solar, wind, batteries, and now AI are all riding exponential cost curves toward zero. This isn't utopian dreaming. The question is how fast we can rewire our institutions to match the physics. Peter Diamandis calls this the age of abundance. I agree.

04

The Built Environment Is the Battleground

Buildings account for 40% of US emissions. The energy transition isn't just about the grid. It's about every furnace, water heater, and gas stove in every home. A building-by-building revolution that needs both technology and trust.

05

Build for the Long Game

Not quarterly returns. Not growth-at-all-costs. Real, durable value creation that compounds over decades. Whether it's earning your Eagle Scout or building a company, the pattern is the same: commit fully, build carefully, endure.

06

Technology Should Create Leverage for People

I don't believe in replacing people with technology. I believe in making every person 10x more effective. The best technology makes humans better at being human: more creative, more connected, more impactful.

What I Read & Follow

Favorite Podcast

Moonshots, Peter Diamandis

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Thinkers & Influences

  • Jeremy Rifkin , zero marginal cost economics
  • Peter Diamandis , abundance & moonshot thinking
  • Vaclav Smil , energy transitions
  • Saul Griffith , electrify everything
  • Tony Seba , technology disruption curves
  • Rewiring America , policy & deployment
The Shelf
Josh's bookshelf

How I think about building with AI.

I've been building with AI since 2023: multi-agent architectures, MCP servers, Claude Code, the Anthropic API. These principles come from building, not theorizing.

🔧

AI-First, Not AI-Added

Design the workflow around what AI is best at. Every new venture starts with the question: if I had infinite intelligence and zero marginal cost, how would I design this? Then work backward.

🧠

Agents Over Chatbots

Chatbots answer questions. Agents do work. The real unlock is giving Claude a goal, tools, and context, and letting it execute autonomously. I build multi-agent systems where specialized agents collaborate with their own skills and tools.

Leverage, Not Replacement

The goal is to make one person as effective as ten. The best AI tools amplify human judgment, creativity, and domain expertise. Every tool I build follows this principle.

🏗️

Skills Architecture

Reusable building blocks: skills, bots, and frameworks. Build a skill once, use it everywhere. Package domain expertise into prompts and tools that compound over time. This is how solo founders compete with teams of 50.

🔄

Human-in-the-Loop for Decisions, Not Tasks

Let AI handle execution: research, drafting, data processing, code. Keep humans in the loop for judgment calls: strategy, relationships, ethics, taste.

📐

Build in Public, Iterate Fast

Ship something real in hours, not months. AI makes it possible to build functional prototypes in a single sitting. The feedback loop between idea and working product has collapsed. This website was built with Claude in a single conversation.

The books that shaped how I think about building, energy, and the future.

I read constantly about energy systems, technology, and leadership. Click any title to find it on Amazon.

01
Alfred Lansing
The greatest leadership story ever told. When everything goes wrong, the only thing that matters is the quality of the leader.
02
Saul Griffith
The thesis behind Elephant Energy. Reframes the energy transition as a machine replacement problem and shows it's entirely doable.
03
Jules Verne
The original technology-optimist fiction. Captain Nemo was the first entrepreneur who built something the world wasn't ready for.
04
Laurence Shames & Peter Barton
A dying entrepreneur's reflections on what actually matters. The most honest book about life and death I've ever read.
05
Andrew McAfee
Economic growth and resource consumption have decoupled. Technology lets us do more with less, and the data proves it.
06
Jigar Shah
The business case for clean energy by the guy who invented the solar PPA. Shah saw the deployment revolution before anyone else.
07
Jeffrey Liker
The bible of lean manufacturing. Changed how I think about operations and building systems that improve over time.
08
Robert Sutton & Huggy Rao
The hardest startup problem isn't 0 to 1, it's 1 to 100. This book tackles the messy reality of scaling.
09
Tae Kim
How Jensen Huang built the most important semiconductor company of the AI era. Culture of speed, technical depth, and relentless iteration.
10
Donella Meadows
Once you see feedback loops, leverage points, and emergent behavior, you can't unsee them. In businesses, in energy grids, in everything.
11
Chris Miller
Semiconductors are the new oil. Essential for understanding AI, supply chains, and strategic competition between nations.
12
Steven Pinker
The data-driven case that the world is getting better on almost every metric. A necessary corrective to pervasive pessimism.
13
Yvon Chouinard
Patagonia's founder on building a company that serves the planet. The most punk rock business book ever written.
14
Peter Diamandis
Exponential technologies are solving the world's biggest problems faster than most people realize. Optimism grounded in data.
15
Peter Diamandis
The playbook for exponential entrepreneurs. How to think big and build companies that tackle billion-person problems.
16
Peter Diamandis & Steven Kotler
When AI meets robotics meets energy meets biotech, the rate of change becomes hard to comprehend.
17
Nassim Nicholas Taleb
Don't trust anyone who doesn't have something to lose. Changed how I evaluate people and companies.
18
Candice Millard
Teddy Roosevelt's near-death expedition down an uncharted Amazon tributary. Adventure, leadership, and the raw drive to push into the unknown.
19
Amory Lovins
Laid the intellectual foundation for the clean energy transition decades before most people took it seriously.
20
Gino Wickman
The EOS operating system for running a company. We used this at Elephant Energy.
21
Cal Newport
Do fewer things, work at a natural pace, obsess over quality. A necessary counterbalance to startup grind mentality.
22
Richard Branson
Branson on the raw realities of building businesses across wildly different industries. Scrappy, honest, and irreverent.
23
David Anderson
How to design products that can actually be manufactured at scale. Essential for hardware companies, which I've built three times.

Pine trees, powder days, and the people I love.

I grew up in the woods of Pennsylvania. Hunting, fishing, and camping shaped who I am long before technology did. Eagle Scout values: preparedness, service, building things that last.

Today I live in Boulder with Rachael and Scout. I ski aggressively, chase performance goals in the gym, run to think, and read constantly. My bookshelf is embarrassingly heavy on energy policy and startup war stories.

Favorite Places

Glacier National Park, the wildest place in the lower 48
Lassen National Park, volcanic, empty, perfect
Zermatt, Switzerland, skiing with the Matterhorn
Boulder, Colorado, home base
Rural Pennsylvania, where it all started
Pennsylvania RootsEagle ScoutMIT '07StanfordCaliforniaColoradoAggressive SkiingRunningReadingHunting & FishingTesla Model YJeepPine TreesAI at MidnightRachael & Scout

Let's build something.

I'm always interested in conversations about climate technology, AI-first businesses, and the energy transition. If you're working on something in these spaces, reach out.

X / Twitter@jlake1
LocationBoulder, Colorado
Current Focus

Building Infinite Timber, an AI-powered timber research and brokerage platform. Also exploring AI-agent opportunities in electrification via ElectrifyEverythingNow.com. Open to advisory roles in climate tech, proptech, and AI.

Josh and Rachael Lake, circa 2007
Circa 2007