Also known as
Alexei Fridman
Description
Soviet-born American computer scientist and podcaster, host of the Lex Fridman
Podcast. Born in the Tajik Soviet Socialist Republic in 1983, his family moved
to the Chicago area shortly after the collapse of the Soviet Union. Trained
Brazilian jiu-jitsu at Balance Studios in Philadelphia under the Migliarese
brothers, Phil and Ricardo, who guided him from white belt to black belt and
awarded him the first stripe on his black belt in April 2023.
Teachers (2)
-
Phil Migliarese
sports_martial_artsBrazilian jiu-jitsu
Confirmed
fact_checkassessed by FSMverified
2 sources
expand_more
fact_check
Lex Fridman's own Instagram post, quoted by Jiu-Jitsu Times and Jits
Magazine, names Phil and Rick Migliarese as the instructors who guided him from
white belt to black belt; Wikipedia corroborates that Phil Migliarese awarded a
black belt to Lex Fridman
visibilityFirst-hand
“I got a stripe on my jiu jitsu black belt today from Phil and Rick Migliarese
who guided me from white belt to black belt, as mentors and friends.”
— (2023). Lex Fridman Awarded First Stripe on Black
Belt by Philadelphia's Migliarese Brotherslink
history
info
“Migliarese also awarded a black belt to research scientist and podcaster Lex
Fridman.”
— Wikipedia contributors. (2026). Phil Migliarese.
Wikipedia (English)link
history
info
-
person
Ricardo Migliarese
sports_martial_artsBrazilian jiu-jitsu
Confirmed
fact_checkassessed by FSMverified
2 sources
expand_more
fact_check
Lex Fridman's own Instagram post, quoted by Jiu-Jitsu Times and Jits
Magazine, names Phil and Rick Migliarese as the instructors who guided him from
white belt to black belt; Wikipedia corroborates that Ricardo Migliarese awarded
a black belt to Lex Fridman
visibilityFirst-hand
“I got a stripe on my jiu jitsu black belt today from Phil and Rick Migliarese
who guided me from white belt to black belt, as mentors and friends.”
— (2023). Lex Fridman Awarded First Stripe on Black
Belt by Philadelphia's Migliarese Brotherslink
history
info
“Migliarese also awarded a black belt to research scientist and podcaster Lex
Fridman.”
— Wikipedia contributors. (2026). Ricardo Migliarese.
Wikipedia (English)link
history
info
Ranks (3)
-
receipt_longBlack belt
Probable
BJJ Ranking System (2018-11)
fact_checkassessed by FSMverified
1 source
expand_more
fact_check
Lex Fridman announced the promotion himself in a black belt speech video
published on his own YouTube channel on 11 November 2018, stating he received
his BJJ black belt the previous day from Phil and Ricardo Migliarese at Balance
Studios after 9 years of training and competing
visibilityFirst-hand
“I got my BJJ black belt yesterday from Phil Migliarese and Ricardo Migliarese
at Balance Studios after 9 years of hard training and competing.”
— Lex Fridman. (2018). Black Belt Speech - Lex
Fridmanlink
info
receipt_longBlack belt, degree 1
Confirmed
BJJ Ranking System (2023-04)
fact_checkassessed by FSMverified
2 sources
expand_more
fact_check
Jiu-Jitsu Times and Jits Magazine both report that Lex Fridman was awarded the
first degree on his BJJ black belt by the Migliarese brothers in April 2023,
announced via his own Instagram post, roughly four and a half years after his
black belt promotion in November 2018
“Lex Fridman Awarded First Stripe on Black Belt by Philadelphia's Migliarese
Brothers”
— (2023). Lex Fridman Awarded First Stripe on Black
Belt by Philadelphia's Migliarese Brotherslink
history
info
“Popular podcaster and veteran grappler Lex Fridman has just been awarded the
first degree on his BJJ black belt by both Rick and Phil Migliarese at Balance
Studios in Philadelphia, Pennsylvania.”
— Phil Jones. (2023). Lex Fridman Promoted To First
Degree BJJ Black Belt. Jits Magazinelink
history
info
-
military_techDan grade
Probable
Dan-Kyu System
fact_checkassessed by FSMverified
1 source
expand_more
fact_check
BJJ Eastern Europe describes Lex Fridman as a Brazilian Jiu-Jitsu and Judo black
belt in a report on a judo training session with Travis Stevens; the claim is
not corroborated by a primary source and the promotion date and granting
instructor are unknown
“In a detailed video featuring a judo session, Lex Fridman, a Brazilian
Jiu-Jitsu and Judo black belt and AI researcher, joins forces with Travis
Stevens, a 2016 Olympic silver medalist in judo.”
— BJJEE. (2024). Judo & BJJ Black Belt Lex
Fridman Does Judo with Travis Stevens. BJJ Eastern Europe (BJJEE)link
history
info
Identifiers
https://martial.is/entity/01KZRA7SNMKFET4JQ46G8PCZFA
Cite and reuse
CC BY-SA 4.0expand_more
Plain text
Muñoz, Frederico (YEAR_PLACEHOLDER). Lex Fridman. In Martialis: Martial Arts
Lineage Database. https://martial.is/entity/01KZRA7SNMKFET4JQ46G8PCZFA - CC
BY-SA 4.0. Accessed ACCESSED_DATE_PLACEHOLDER.
BibTeX
@incollection{martialis_01KZRA7SNMKFET4JQ46G8PCZFA, author = {Muñoz, Frederico},
title = {Lex Fridman}, booktitle = {Martialis: Martial Arts Lineage Database},
year = {YEAR_PLACEHOLDER}, url =
{https://martial.is/entity/01KZRA7SNMKFET4JQ46G8PCZFA}, urldate =
{ACCESSED_DATE_PLACEHOLDER}, note = {CC BY-SA 4.0} }
Database content on this page is CC BY-SA 4.0;
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