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About
Brazilian dog trainer, animal behaviorist, and content creator known for his work in canine behavior, obedience training, and professional pet education along with being the founder of the training platform Treinadog Cursos. He is also known for his Instagram account @lemarchi.oficial where he shares dog training tips, animal behavior education, and professional insights from decades of experience with pets and trainers across Brazil along with personal updates and snapshots of his life.
Before fame
He began working with dogs and animal behavior in the early 1990s long before social media made professional training widely visible online. He has been active as an animal behaviorist beginning in 1993 and initially focused on direct training and obedience work. He gradually became involved with kennel clubs and organized canine activities in Rio Grande do Sul and began expanding his work beyond individual training sessions into structured education and competitive environments.
Trivia
He has been involved in canine sports and activities such as canicross. He is also a bodybuilding athlete and passionate about fitness. He became active as a handler in dog shows in the late 2000s and early 2010s. He founded Treinadog Cursos in November 2014 around the time he also began sharing training content on YouTube. He joined Instagram in 2018 and began sharing content on the platform.
Family life
His real name given to him by his parents is Leandro Massena Marchi. He was born and raised in Brazil.
Associated with
He, César Millán, and Zak George are all well-known dog behavior experts and trainers.