EPISODE · May 20, 2026 · 57 MIN
Justin Selig, Director at Efficient Computer
from The Compute 100 · host The Compute 100
Today's guest is Justin Selig.Back in 2018, after hearing about the company from other graduate students, Selig joined Cerebras as an early member of their technical staff. Through 4 years with the company, he built much of their core kernel infra and the Cerebras SDK. He went on to join Eclipse Ventures, one of Cerebras' earliest backers, as an investor. From Eclipse, he joined Efficient Computer, where he works as a director, across product and BD today. Justin was early to the opportunity unfolding today in compute. He's had an incredible seat to watching this market evolve. We hope you enjoy the conversation. The Compute 100 is led by Brian Schechter and Gaby Lorenzi, compute-focused investors at Primary. Primary is a pre-seed and seed-stage venture firm that backs founders building across markets including compute, industrials, healthcare and vertical AI. With $1.6B AUM and a 60+ person operating team, Primary delivers unparalleled support to teams across recruiting, finance, GTM, and brand. Primary’s compute portfolio includes Etched, The Biological Computing Company, Haiqu, and Atero (acquired by Crusoe).Follow us on X and check out our daily newsletter. This podcast is provided for informational purposes only and does not constitute an offer to sell or a solicitation of an offer to buy any security. Nothing discussed in this podcast constitutes investment, legal, tax, or accounting advice, or a recommendation to make any investment. Any views expressed are as of the date of recording, are subject to change, and may include forward-looking statements that involve risks and uncertainties.
What this episode covers
Today's guest is Justin Selig.Back in 2018, after hearing about the company from other graduate students, Selig joined Cerebras as an early member of their technical staff. Through 4 years with the company, he built much of their core kernel infra and the Cerebras SDK. He went on to join Eclipse Ventures, one of Cerebras' earliest backers, as an investor. From Eclipse, he joined Efficient Computer, where he works as a director, across product and BD today. Justin was early to the opportunity unfolding today in compute. He's had an incredible seat to watching this market evolve. We hope you enjoy the conversation. The Compute 100 is led by Brian Schechter and Gaby Lorenzi, compute-focused investors at Primary. Primary is a pre-seed and seed-stage venture firm that backs founders building across markets including compute, industrials, healthcare and vertical AI. With $1.6B AUM and a 60+ person operating team, Primary delivers unparalleled support to teams across recruiting, finance, GTM, and brand. Primary’s compute portfolio includes Etched, The Biological Computing Company, Haiqu, and Atero (acquired by Crusoe).Follow us on X and check out our daily newsletter. This podcast is provided for informational purposes only and does not constitute an offer to sell or a solicitation of an offer to buy any security. Nothing discussed in this podcast constitutes investment, legal, tax, or accounting advice, or a recommendation to make any investment. Any views expressed are as of the date of recording, are subject to change, and may include forward-looking statements that involve risks and uncertainties.
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Justin Selig, Director at Efficient Computer
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