Sebastian is a fitness and lifestyle expert based out of New York City where his passion, regimen and dramatic transformational results have quickly made him one of the most in-demand fitness specialists in the country. Known for his charismatic way of motivating his clients far beyond what they thought was possible, Sebastian has appeared as a special guest on the TODAY SHOW with Kathie Lee & Hoda (NBC), as a recurring fitness advisor in the NEW YORK POST, and in FITNESS MAGAZINE ONLINE and THE WALL STREET JOURNAL.
In Paraguay, he has made guest appearances on VIVA LA VIDA (Telefuturo Paraguay)—a popular morning talk show—and on Urbana Radio with Milva Gauto and NR Radio with Norita Rodriguez. His clients range from celebrities, models and professional athletes to corporate executives and other professionals.
Born and raised in Asuncion, Paraguay, Sebastian made his way to New York City in pursuit of his dreams. It was there that he discovered he could make a tremendous impact on peoples lives by sharing his knowledge and passion for health and wellness. It wasn’t long before he received his fitness certifications from the National Academy of Sports Medicine, the American Academy of Health and Fitness, Madd Dogg Athletics, Inc. and Annette Lang Educational Systems. Today, Sebastian works with Equinox at Rockefeller Center and privately with Sebastian Fitness where he has developed a trademark brand of fitness and nutritional integration that leads to lasting lifestyle transformations.
As a result of Sebastian’s ever-growing popularity as a trusted lifestyle specialist, BOGA Menswear has recently enlisted Sebastian as a brand ambassador and advocate for their new line of athletic-denim. In addition he serves as an ambassador for H2Yerba–a healthy hydration system utilizing nutrient packed yerba mate.
He now shares his fitness and lifestyle advice on his spanish speaking YouTube Channel Sebastian Fitness.
In his free time, Sebastian enjoys competing in obstacle course races, seeking out extreme sports and other outdoor adventures, and traveling the world with his friends and family. Sebastian holds a degree in business administration and marketing from the National University of Asuncion in Asuncion, Paraguay. He is fluent in Spanish, Portuguese and English.
Theresa M. Cosentino
Theresa is a life-long athlete from New York City. She grew up playing basketball, volleyball and was a track and field sprinter in high school. Missing the communal atmosphere of competitive sports, Theresa was naturally drawn towards the CrossFit community and eventually The Pack in Long Island City. Two years ago she signed up for Coach Sebastian’s outdoor turf class and never looked back. Theresa uses the foundations of CrossFit, and her background in weightlifting and functional body building to enhance her competitive drive and athleticism. In October of 2018, she went on to compete and win her first ever WBFF Diva Fitness Competition in Rhode Island placing 1st in her division. Her love and passion for fitness ultimately led her to begin coaching at The Pack where she continues to teach women that you can lift weights and still maintain your feminine figure.
Theresa has now lived in Long Island City for four years and works full time in NYC for one of the most prestigious Private Equity firms in the world.
When she isn’t training, competing or working she enjoys spending time with family and friends. Her favorite cheat meal is pizza.
Raised in Rio de Janeiro , Brazil, Matheus has always had a passion for sports, wellness and fitness. After growing up as an over weight kid, he joined a local gym and started seeing his body transform as well as his discipline outside of the gym. Slowly he started helping and advising friends and family in a lifestyle trasformational process. Through his passion and determination of transforming lives, he went to college and obtained his Bachelors in Exercise Science, and started working in one of the biggest and most prestigious gym in Brazil, Bodytech.
Making his way to New York City, Matheus wanted to expand his horizons in the fitness industry and impact as many people as possible though his knowledge and determination to empower clients to live their healthiest life. He obtained his fitness certification from the National Academy of Sports Medicine, and Kettlebell certification. Today he works with Equinox at Rockefeller Center and privately with The Pack NYC, a group fitness HIIT class.
In his free time, Matheus enjoys practicing Brazilian Jiu Jitsu and other martial Arts, also loves outdoors activities, hiking, biking, and extreme sports. He is fluent in Portuguese and English.