Meet The Trainers

Jason Nissley

pyrex brand 4-147

Born & Raised: Baltimore
Favorite Food: Anything involving meat
Pump Up Music: Some old school DMX
Pet Peeve: Eating things past the sell by date
Favorite Muscle to Work: Abssssssss
Fun Fact: I love cats
Instagram: @jasonnissley
Training Specialty: Boxing, sports related training, strength & conditioning, weight training, weight loss and nutrition
What to Expect During a Workout Session: Expect to be pushed and motivated to a new level. My goal is to expose weaknesses and develop them into strengths. The workout will be custom to whatever your goal may be. I will use a variety of methods to achieve this goal such as boxing, TRX, resistance bands, medicine balls and kettle bells.

Chris Nissley

pyrex brand 4-179

Born & Raised: Baltimore
About Me: Founding partner/trainer of Knockout Fitness, which opened in 2012. Also founder of Knockout Nutrition in 2016.
Favorite Food: Pasta
Favorite Muscle to Work: Arms
Instagram: @chrisnissley
Pump Up Music: Rocky soundtrack, Rick Ross, 50 cent
Training Specialty: Boxing, wrote a certification program to teach boxing and fitness to other trainers. USA Boxing Certified & Licensed Professional Coach.
Quote: “Hardwork doesn’t have to be witnessed, time exposes everything.”
Other: I promote boxing matches and have supported many charities including BARCS, Ulman Cancer Fund, and American Breast Cancer Foundation.

Ron Zwolak

DSC_1593

Born & Raised: Born in North Carolina raised in D.C.
Favorite Food: Jerk Chicken/ Reese’s Cups
Pump Up Song: Gangsta S#%T!
Pet Peeve: People who can’t control their dog
Favorite Muscle To Work: Back Baby!
Fun Fact: When I’m not training humans I train dogs
Instagram: Working on it..
Training Specialty: Boxing, Kickboxing, Self-defense, Martial Arts, Sport performance, Functional Training, Injury prevention, corrective exercise, strength training.
What to Expect During a Workout Session: You can’t expect this!

Walter Maxfield Jones

pyrex brand 4-162

Born & Raised: Sacramento, CA
Favorite Food: Caribbean Food
Pump Up Song: Encore, Jay-Z
Instagram: @WhatWaltCanDo
Pet Peeve: Getting hit… Lol
Favorite Muscle To Work: The Mind… Chest and Back
Fun Fact: I’m an artist at heart
Awards: 2004 Amateur Tournament Winner – Sugar Ray Leonard Gym
Training Specialty: Boxing, Speed and Agility
Quote: “Amateurs work hard until they get it right. Professionals work hard until they can’t get it wrong.”

Diana Fornaris

DSC_1641

Born & Raised: Chicago
Favorite Food: Hot & spicy salmon that Ron makes
Pump Up Music: 90s hip hop for sure
Pet Peeve: When people drive crazy slow in the left lane
Favorite Muscle to Work: The mind and the booty!
Fun Fact: I learned how to salsa dance in Cuba
Instagram: @dfornaris
Training Specialty: Boxing, strength training, dance, weight management, and lifestyle management
What to Expect During a Workout Session: Expect a lot of challenge, a lot of laughs, and a lot of consideration about you as a person and your strengths/weaknesses. I encourage my clients to train like a fighter so they can feel like a fighter outside of the gym. I am a firm believer that boxing is therapy!

Pat Cremen

Untitled design

Born & Raised: Baltimore
Favorite Food: Anything Italian
Pump Up Song: 2 Pac Music
Pet Peeve: Laziness
Favorite Muscle To Work: Back
Fun Facts: I have an English bulldog and I went paragliding with my wife in Malibu!
Instagram: @PatCremen
Training Specialty: Boxing, strength and conditioning, speed, working with kids
What to Expect During a Workout Session: You will be pushed, motivated, and always doing new exercises. I will have you doing things you never thought you could do!

A.J. Williams (Kidd)

pyrex brand 4-175

Born & Raised: Bethany Beach, DE
Favorite Food: Crab Cakes
Pump Up Song: Renegade, Jay-Z ft Eminem
Pet Peeve: Squeezing the toothpaste near the nozzle
Favorite Muscle To Work: Shoulders
Fun Fact: Avocados are gross
Awards: 2010 Boxing All American at Penn State
Training Specialty: Boxing, Weight Training
Quote: “People don’t train and play sports because it’s fun. Ask any athlete, most of them hate it, but they couldn’t imagine their life without it. They live for the competition, they live for the friends, the practices, the memories, the pain, it’s who they are. It’s who we are. WE ARE ATHLETES…”

Jerome Feather-stone

Born & Raised: Baltimore
About Me: Jerome was introduced to sports at a very young age. He started wrestling at age 4. He’s been involved since age 7 in all organized Football, Baseball, Basketball, Lacrosse, and Wrestling Athletics. He won state championships in 3 arenas. He became a collegiate wrestler at the University of Oklahoma, and enlisted in the Marine Corps in 2007. After service, his interest in combat sports grew bold as he began to train mixed martial arts. In 2013, Jerome was The Golden Gloves Regional Champion at 160lbs.  He later became a certified USA Boxing Coach. Jerome is currently a Professional Fighter with a boxing record of 2-0 and MMA record of 2-1-1. Jerome is an extremely fun trainer, and very knowledgeable in all areas of fitness. He will challenge you to be the best version of you! His classes are intense and fast-paced. Jerome will get you in the best shape of your life!

HOPE REGALBUTO

Born & Raised: Towson
Favorite Food: Pizza
Pet Peeve: Excuses and leaving empty rolls of toilet paper​
Favorite Muscle To Work: Shoulders
Fun Fact: I have a personal assistant named Don Vinny whom is a gangster Golden Retriever!​ And I’m obsessed with burpees!
Instagram: @HopeRags_Trainings
Training Specialty: HIIT, strength, endurance / conditioning, athletic conditioning, muscle activation
What to Expect During a Workout Session: Expect the unexpected! Be comfortable with being uncomfortable! Be prepared to feel invincible and be a better version of yourself once the session is over.

JUSTIN INMAN

Born & Raised: Baltimore
Favorite Food: French Toast
Pump Up Song: Mozzy, YG Teck, Lil Baby
Pet Peeve: A lack of effort
Favorite Muscle To Work: Definitely back
Fun Fact: I have never eaten a salad.
Instagram: @Dr.Baltimore
Training Specialty: Strength training, HIIT, and metabolic circuit training.
What to Expect During a Workout Session: Every workout will definitely be a challenge, but it’s my job to push you out of your comfort zone and help you become the best version of yourself.

NICHOLAS ZIENTEK

Born & Raised: Baltimore
About Me: I like to always pose the question to myself “What if…?” Then begin working as hard as possible to find the answer.
Favorite Food: Pasta
Favorite Muscle To Work: Legs
Pump Up Music: 90’s hip hop
Quote: “Hard work always beats talent; if talent doesn’t work hard”
Training Specialty: I specialize in Boxing, High Intensity workouts, and Strength & Conditioning.
What to Expect During a Workout Session: Mental and Physical Growth.
Other: I continuously seek to become uncommon amongst other uncommon individuals.

Jason Nissley

Born & Raised: Baltimore
Favorite Food: Anything involving meat
Pump Up Music: Some old school DMX
Pet Peeve: Eating things past the sell by date
Favorite Muscle to Work: Abssssssss
Fun Fact: I love cats
Instagram: @jasonnissley
Training Specialty: Boxing, sports related training, strength & conditioning, weight training, weight loss and nutrition
What to Expect During a Workout Session: Expect to be pushed and motivated to a new level. My goal is to expose weaknesses and develop them into strengths. The workout will be custom to whatever your goal may be. I will use a variety of methods to achieve this goal such as boxing, TRX, resistance bands, medicine balls and kettle bells.

pyrex brand 4-147

Chris Nissley

Born & Raised: Baltimore
About Me: Founding partner/trainer of Knockout Fitness, which opened in 2012. Also founder of Knockout Nutrition in 2016.
Favorite Food: Pasta
Favorite Muscle to Work: Arms
Instagram: @chrisnissley
Pump Up Music: Rocky soundtrack, Rick Ross, 50 cent
Training Specialty: Boxing, wrote a certification program to teach boxing and fitness to other trainers. USA Boxing Certified & Licensed Professional Coach.
Quote: “Hardwork doesn’t have to be witnessed, time exposes everything.”
Other: I promote boxing matches and have supported many charities including BARCS, Ulman Cancer Fund, and American Breast Cancer Foundation.

pyrex brand 4-179

Ron Zwolak

Born & Raised: Born in North Carolina raised in D.C.
Favorite Food: Jerk Chicken/ Reese’s Cups
Pump Up Song: Gangsta S#%T!
Pet Peeve: People who can’t control their dog
Favorite Muscle To Work: Back Baby!
Fun Fact: When I’m not training humans I train dogs
Instagram: Working on it..
Training Specialty: Boxing, Kickboxing, Self-defense, Martial Arts, Sport performance, Functional Training, Injury prevention, corrective exercise, strength training.
What to Expect During a Workout Session: You can’t expect this!

DSC_1593

Walter Maxfield Jones

Born & Raised: Sacramento, CA
Favorite Food: Caribbean Food
Pump Up Song: Encore, Jay-Z
Instagram: @WhatWaltCanDo
Pet Peeve: Getting hit… Lol
Favorite Muscle To Work: The Mind… Chest and Back
Fun Fact: I’m an artist at heart
Awards: 2004 Amateur Tournament Winner – Sugar Ray Leonard Gym
Training Specialty: Boxing, Speed and Agility
Quote: “Amateurs work hard until they get it right. Professionals work hard until they can’t get it wrong.”

pyrex brand 4-162

Diana Fornaris

Born & Raised: Chicago
Favorite Food: Hot & spicy salmon that Ron makes
Pump Up Music: 90s hip hop for sure
Pet Peeve: When people drive crazy slow in the left lane
Favorite Muscle to Work: The mind and the booty!
Fun Fact: I learned how to salsa dance in Cuba
Instagram: @dfornaris
Training Specialty: Boxing, strength training, dance, weight management, and lifestyle management
What to Expect During a Workout Session: Expect a lot of challenge, a lot of laughs, and a lot of consideration about you as a person and your strengths/weaknesses. I encourage my clients to train like a fighter so they can feel like a fighter outside of the gym. I am a firm believer that boxing is therapy!

DSC_1641

Pat Cremen

Born & Raised: Baltimore
Favorite Food: Anything Italian
Pump Up Song: 2 Pac Music
Pet Peeve: Laziness
Favorite Muscle To Work: Back
Instagram: @PatCremen
What to Expect During a Workout: You will be pushed, motivated, and always doing new exercises. I will have you doing things you never thought you could do!
Training Specialty: Boxing, strength and conditioning, speed, working with kids
Fun Fact:  I have an English Bulldog, and I went paragliding in Malibu with my wife (highly recommend!)

Untitled design

A.J. Williams (Kidd)

Born & Raised: Bethany Beach, DE
Favorite Food: Crab Cakes
Pump Up Song: Renegade, Jay-Z ft Eminem
Pet Peeve: Squeezing the toothpaste near the nozzle
Favorite Muscle To Work: Shoulders
Fun Fact: Avocados are gross
Awards: 2010 Boxing All American at Penn State
Training Specialty: Boxing, Weight Training
Quote: “People don’t train and play sports because it’s fun. Ask any athlete, most of them hate it, but they couldn’t imagine their life without it. They live for the competition, they live for the friends, the practices, the memories, the pain, it’s who they are. It’s who we are. WE ARE ATHLETES…”

pyrex brand 4-175

Jerome Featherstone

Born & Raised: Baltimore
About Jerome: Jerome is a Baltimore native who was introduced to sports at a very young age. He started wrestling at age 4. He’s been involved since age 7 in all organized Football, Baseball, Basketball, Lacrosse, and Wrestling Athletics. He won state championships in 3 arenas. He became a collegiate wrestler at the University of Oklahoma.  He enlisted in the Marine Corps in 2007. After service, his interest in combat sports grew bold as he began to train mixed martial arts. In 2013, Jerome was The Golden Gloves Regional Champion at 160lbs.  He later became a certified USA Boxing Coach. Jerome is currently a Professional Fighter with a boxing record of 2-0 and MMA record of 2-1-1. Jerome is an extremely fun trainer here at Knockout. He’s very knowledgeable in all areas of fitness and will challenge you to be the best version of you! His classes are usually intense and fast-paced. Jerome will get you in the best shape of your life!

Jason Nissley

Born & Raised: Baltimore
Favorite Food: Anything involving meat
Pump Up Music: Some old school DMX
Pet Peeve: Eating things past the sell by date
Favorite Muscle to Work: Abssssssss
Fun Fact: I love cats
Instagram: @jasonnissley
Training Specialty: Boxing, sports related training, strength & conditioning, weight training, weight loss and nutrition
What to Expect During a Workout Session: Expect to be pushed and motivated to a new level. My goal is to expose weaknesses and develop them into strengths. The workout will be custom to whatever your goal may be. I will use a variety of methods to achieve this goal such as boxing, TRX, resistance bands, medicine balls and kettle bells.

pyrex brand 4-147
pyrex brand 4-179

Chris Nissley

Born & Raised: Baltimore
About Me: Founding partner/trainer of Knockout Fitness, which opened in 2012. Also founder of Knockout Nutrition in 2016.
Favorite Food: Pasta
Favorite Muscle to Work: Arms
Instagram: @chrisnissley
Pump Up Music: Rocky soundtrack, Rick Ross, 50 cent
Training Specialty: Boxing, wrote a certification program to teach boxing and fitness to other trainers. USA Boxing Certified & Licensed Professional Coach.
Quote: “Hardwork doesn’t have to be witnessed, time exposes everything.”
Other: I promote boxing matches and have supported many charities including BARCS, Ulman Cancer Fund, and American Breast Cancer Foundation.

Ron Zwolak

Born & Raised: Born in North Carolina raised in D.C.
Favorite Food: Jerk Chicken/ Reese’s Cups
Pump Up Song: Gangsta S#%T!
Pet Peeve: People who can’t control their dog
Favorite Muscle To Work: Back Baby!
Fun Fact: When I’m not training humans I train dogs
Instagram: Working on it..
Training Specialty: Boxing, Kickboxing, Self-defense, Martial Arts, Sport performance, Functional Training, Injury prevention, corrective exercise, strength training.
What to Expect During a Workout Session: You can’t expect this!

DSC_1593
pyrex brand 4-162

Walter Maxfield Jones

Born & Raised: Sacramento, CA
Favorite Food: Caribbean Food
Pump Up Song: Encore, Jay-Z
Instagram: @WhatWaltCanDo
Pet Peeve: Getting hit… Lol
Favorite Muscle To Work: The Mind… Chest and Back
Fun Fact: I’m an artist at heart
Awards: 2004 Amateur Tournament Winner – Sugar Ray Leonard Gym
Training Specialty: Boxing, Speed and Agility
Quote: “Amateurs work hard until they get it right. Professionals work hard until they can’t get it wrong.”

Diana Fornaris

Born & Raised: Chicago
Favorite Food: Hot & spicy salmon that Ron makes
Pump Up Music: 90s hip hop for sure
Pet Peeve: When people drive crazy slow in the left lane
Favorite Muscle to Work: The mind and the booty!
Fun Fact: I learned how to salsa dance in Cuba
Instagram: @dfornaris
Training Specialty: Boxing, strength training, dance, weight management, and lifestyle management
What to Expect During a Workout Session: Expect a lot of challenge, a lot of laughs, and a lot of consideration about you as a person and your strengths/weaknesses. I encourage my clients to train like a fighter so they can feel like a fighter outside of the gym. I am a firm believer that boxing is therapy!

DSC_1641
Untitled design

Pat Cremen

Born & Raised: Baltimore
Favorite Food: Anything Italian
Pump Up Song: 2 Pac Music
Pet Peeve: Laziness
Favorite Muscle To Work: Back
Fun Facts: I have an English bulldog and I went paragliding with my wife in Malibu!
Instagram: @PatCremen
Training Specialty: Boxing, strength and conditioning, speed, working with kids
What to Expect During a Workout Session: You will be pushed, motivated, and always doing new exercises. I will have you doing things you never thought you could do!

A.J. Williams (Kidd)

Born & Raised: Bethany Beach, DE
Favorite Food: Crab Cakes
Pump Up Song: Renegade, Jay-Z ft Eminem
Pet Peeve: Squeezing the toothpaste near the nozzle
Favorite Muscle To Work: Shoulders
Fun Fact: Avocados are gross
Awards: 2010 Boxing All American at Penn State
Training Specialty: Boxing, Weight Training
Quote: “People don’t train and play sports because it’s fun. Ask any athlete, most of them hate it, but they couldn’t imagine their life without it. They live for the competition, they live for the friends, the practices, the memories, the pain, it’s who they are. It’s who we are. WE ARE ATHLETES…”

pyrex brand 4-175

Jerome Feather-stone

Born & Raised: Baltimore
About Jerome: Jerome was introduced to sports at a very young age. He started wrestling at age 4. He’s been involved since age 7 in all organized Football, Baseball, Basketball, Lacrosse, and Wrestling Athletics. He won state championships in 3 arenas. He became a collegiate wrestler at the University of Oklahoma, and enlisted in the Marine Corps in 2007. After service, his interest in combat sports grew bold as he began to train mixed martial arts. In 2013, Jerome was The Golden Gloves Regional Champion at 160lbs.  He later became a certified USA Boxing Coach. Jerome is currently a Professional Fighter with a boxing record of 2-0 and MMA record of 2-1-1. Jerome is an extremely fun trainer, and very knowledgeable in all areas of fitness. He will challenge you to be the best version of you! His classes are intense and fast-paced. Jerome will get you in the best shape of your life!

HOPE REGALBUTO

Born & Raised: Towson
Favorite Food: Pizza
Pet Peeve: Excuses and leaving empty rolls of toilet paper​
Favorite Muscle To Work: Shoulders
Fun Fact: I have a personal assistant named Don Vinny whom is a gangster Golden Retriever!​ And I’m obsessed with burpees!
Instagram: @HopeRags_Trainings
Training Specialty: HIIT, strength, endurance / conditioning, athletic conditioning, muscle activation
What to Expect During a Workout Session: Expect the unexpected! Be comfortable with being uncomfortable! Be prepared to feel invincible and be a better version of yourself once the session is over.

Justin Inman

Born & Raised: Baltimore
Favorite Food: French Toast
Pump Up Song: Mozzy, YG Teck, Lil Baby
Pet Peeve: A lack of effort
Favorite Muscle To Work: Definitely back
Fun Fact: I have never eaten a salad.
Instagram: @Dr.Baltimore
Training Specialty: Strength training, HIIT, and metabolic circuit training.
What to Expect During a Workout Session: Every workout will definitely be a challenge, but it’s my job to push you out of your comfort zone and help you become the best version of yourself.

Nicholas Zientek

Born & Raised: Baltimore
About Me: I like to always pose the question to myself “What if…?” Then begin working as hard as possible to find the answer.
Favorite Food: Pasta
Favorite Muscle To Work: Legs
Pump Up Music: 90’s hip hop
Quote: “Hard work always beats talent; if talent doesn’t work hard”.
Training Specialty: I specialize in Boxing, High Intensity workouts, and Strength & Conditioning.
What to Expect During a Workout Session: Mental and Physical Growth.
Other: I continuously seek to become uncommon amongst other uncommon individuals.