Sebastian Augusto Lalli
“Seba”
Source: bjjheroes.comNaturalized Brazilian fifth-degree black belt Sebastian Lalli helped build Checkmat and develop successive generations of competitors in Curitiba.
Biography
Sources for this profile
Paulo Pinto / Global Sports, Revista Budô, “Checkmat inaugura Headquarters Brazil e estabelece novo padrão de dojô no país,” 19 December 2025.(opens in a new tab)
A 2025 profile says Sebastian Augusto Lalli was born in Buenos Aires on 12 June 1976 and has lived in Curitiba since the age of three.
Where in the source: Management, expansion and legacy section — birthplace and childhood relocation details
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The same 2025 profile explicitly describes Lalli as a naturalized Brazilian.
Where in the source: Management, expansion and legacy section — Brazilian naturalization
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The 2025 profile identifies Lalli as a fifth-degree black belt.
Where in the source: Management, expansion and legacy section — current fifth-degree black-belt rank
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The 2025 profile identifies Lalli's current belt degree as fifth degree.
Where in the source: Management, expansion and legacy section — current fifth-degree black-belt degree
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Revista Budô describes Lalli as one of Checkmat's founders in 2008, says he took charge of the team's Brazilian operation around 2013, and quotes him in 2025 saying he remained responsible for that operation while decisions were shared with Leonardo and Ricardo Vieira.
Where in the source: Management, expansion and legacy section — organization founding and domestic operations timeline
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Checkmat Brasil, “Checkmat” history and academy directory (undated; accessed 8 September 2026).(opens in a new tab)
Checkmat Brasil's own history page names Sebastian Lalli among the people who formed Checkmat in 2008 and lists him as the professor at Academia CheckMat – Equipe 1 in Curitiba.
Where in the source: Sobre Nós — “formar uma nova equipe ... Sebastian Lalli”; Matriz — “Academia CheckMat - Equipe 1 ... Curitiba ... Prof. Sebastian Lalli”
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BJJ Heroes, “Sebastian Lalli” (publication date not displayed on page).(opens in a new tab)
BJJ Heroes gives Lalli's nickname as “Seba,” short for Sebastian.
Where in the source: Sebastian Lalli Jiu Jitsu — “Nickname: ‘Seba’ short for Sebastian”
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BJJ Heroes reports that Lalli began jiu-jitsu in early 1995, received all his belts from Carlos Lima including his black belt in 2002, founded Equipe 1 in 2003, and began working with Leonardo Vieira as coach and mentor in 2006.
Where in the source: Sebastian Lalli Biography — paragraphs beginning “Martial arts became part,” “In the mid 1990's,” “Sebastian started coaching,” and “In 2006 Lalli met”
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International Brazilian Jiu-Jitsu Federation, “World Jiu-Jitsu No-Gi IBJJF Championship 2010” results.(opens in a new tab)
IBJJF's official 2010 World No-Gi results list Sebastian Augusto Lali of Check Mat Bjj first in the Master 1 black-belt featherweight division.
Where in the source: MASTER 1 / BLACK / MALE / FEATHER — “1 | Sebastian Augusto Lali | Check Mat Bjj”
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International Brazilian Jiu-Jitsu Federation, “Campeonato Brasileiro de Jiu-Jitsu 2011” results.(opens in a new tab)
IBJJF's official 2011 Brazilian Championship results list Sebastian Augusto Lalli of Checkmat Bjj second in the Master 1 black-belt featherweight division.
Where in the source: MASTER 1 / BLACK / MALE / FEATHER — “1 | Marcelo dos Santos Reacao”; “2 | Sebastian Augusto Lalli | Checkmat Bjj”
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BJJ Heroes, “Andressa Cintra” (publication date not displayed on page).(opens in a new tab)
BJJ Heroes identifies Andressa Mezari Cintra as a black belt under Sebastian Lalli and reports that she earned her brown and black belts under his guidance, the latter in December 2017.
Where in the source: Andressa Cintra — Full Name and Lineage; biography — “finding it in Sebastian Lalli's Checkmat”; “earned her, her brown and black belts, the latter in December 2017”
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BJJ Heroes, “Mayara Custódio” (publication date not displayed on page).(opens in a new tab)
BJJ Heroes identifies Mayara Monteiro Custódio as a black belt under Sebastian Lalli and reports that he awarded her black belt in Paraná in August 2020.
Where in the source: Mayara Custódio — Full Name and Lineage; biography — “In August 2020 ... awarded her black belt from Sebastian Lalli”
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Monique Silva, Globo Esporte, “Campeã mundial de jiu-jítsu vende balas em semáforo de Curitiba para seguir lutando,” 28 February 2019.(opens in a new tab)
A 2019 Globo Esporte report identifies Sebastian Lalli as both president of the Paraná Jiu-Jitsu Federation and Mayara Custódio's professor, and quotes him describing how he and the academy helped athletes meet registration, travel and other competition expenses.
Where in the source: Federação vê com naturalidade venda de balas — “O presidente da entidade, Sebastian Lalli, também é professor de Mayara”; quotations immediately below
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BJJ Fanatics Brasil, “Saiba tudo sobre a fera do Jiu Jitsu Mayara Custódio” (publication date not displayed on page).(opens in a new tab)
In a first-person interview, Mayara Custódio names Sebastian Lalli and Letícia Lalli as the masters who inspire her every day.
Where in the source: Interview answer — “Eu me inspiro todo os dias nos meus mestres Sebastian Lalli e Letícia Lalli”
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Guilherme Cruz, MMA Fighting, “Bruno Pucci believes mixed martial arts helped save his life,” 12 September 2013.(opens in a new tab)
MMA Fighting reported in 2013 that Bruno Pucci became a jiu-jitsu black belt under Sebastian Lalli at Checkmat in Brazil.
Where in the source: Profile body — “Pucci became a jiu-jitsu black belt under Sebastian Lalli at Checkmat in Brazil”
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Kaelan Crisosto, International Brazilian Jiu-Jitsu Federation, “IBJJF Grand Prix Elite Superfight Card Preview,” 9 February 2026.(opens in a new tab)
An official IBJJF preview says Aghata Rabelo received her black belt from Sebastian Lalli on the podium after winning the 2025 World Championship brown-belt medium-heavy division.
Where in the source: Aghata Rabelo section — “awarded her black belt by Professor Sebastian Lalli on the podium” after the 2025 World Championship title
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Revista Budô, “Quarta etapa do Campeonato Paranaense de Jiu-Jitsu leva 650 atletas a São José dos Pinhais,” 8 August 2022.(opens in a new tab)
A 2022 report identifies Sebastian Augusto Lalli as president of the Paraná Jiu-Jitsu Federation and describes Checkmat as led by him in the competition context.
Where in the source: Report body — “Sebastián Augusto Lalli, presidente da Federação Paranaense de Jiu-Jitsu Brasileiro”; team passage naming “Checkmat, comandada por Sebastian Lalli”
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