The Perfect Dose
Our Team
Kristen Herzog, DNP, FNP-BC

Owner & Founder of Perfect Dose, Medical Director & Expert Injector
Dr. Herzog, a.k.a. “The Perfect Dose”, is the founder and owner of Perfect Dose. She obtained her Bachelor’s degree in Nursing from Arizona State University and then proceeded to get her Doctorate’s degree as a Nurse Practitioner. She is a national speaker and trainer for Galderma and Allergan. Dr. Herzog prides herself as a consultation expert who specializes in facial balancing with filler, Sculptra and PDO threads.
Dr. Herzog spent five years as an Emergency Room nurse prior to joining medical aesthetics in 2018. She originally went into nursing to help care for patients and contribute to them feeling better. Combining her love for medical aesthetics, inspiring confidence and passion for helping people, Dr. Herzog founded her own practice, Perfect Dose, in 2020. She wanted to create a space where science meets elevated experience. Today, Perfect Dose is well-known for offering customized, result-driven treatments in a family-like atmosphere.
In addition to her practice, Dr. Herzog also co-founded Perfect Dose RX in 2022; a medical grade skincare line with clean ingredients. When creating this line, her mission was to merge clean skincare formulas with medical grade ingredients that outperform conventional alternatives at an affordable price for all patients.
When Dr. Herzog is not treating, speaking or training, you can find her spending time with her husband, Steven, their son, Jackson, and two chihuahuas; Prince and Pancake.
Favorite Treatments to Perform:
Kim K & PDO Threads
Favorite Treatments to Receive:
Morpheus8 on face & body, full face neurotoxin & DiamondGlow.
Favorite Products:
Perfect Dose RX Line, SkinMedica TNS Advanced+ Serum, SkinBetter Science AlphaRet Overnight Cream and ZO Skin Health Oil Control Pads and ZO Skin Health Exfoliating Polish.


Brooklyn Pacconi BSN, RN, CLT

Expert Injector, Registered Nurse & Laser Certified Technician
Brooklyn started working for Perfect Dose in 2020 as an Expert Injector and Certified Laser Technician. She is originally from Thatcher, Arizona and relocated to Phoenix in 2012 to pursue a higher education at Grand Canyon State University. After obtaining her Bachelor’s degree in Nursing, she spent seven years at Banner University in the Medical/Surgical Pulmonary Department before joining medical aesthetics in 2019. The most rewarding part of her job is seeing the look on her patient’s face when they see their results – leaving them more confident in their own skin! Outside of the office, Brooklyn enjoys spending time with her husband, Daniel, daughter, Sutton, reading, playing co-ed softball and especially researching and planning trips.
Favorite Treatments to Perform:
Filler – especially cheek filler.
Favorite Treatments to Receive:
HydraFacial & Dysport.
Favorite Products:
SkinBetter Science sunbetter TONE SMART SPF Sunscreen Lotion & SkinMedica TNS Advanced+ Serum.
Cara Fox, BSN, RN

Expert Injector & Registered Nurse
Cara joined Perfect Dose in 2023 as an Expert Injector. Originally from New Orleans, Louisiana, she moved to Arizona in 2021. Cara completed her Bachelor’s in Nursing from Louisiana State University and obtained her Master’s degree from Loyola University. Prior to joining medical aesthetics, Cara spent six years as an Emergency Room and Intensive Care Unit nurse. Cara’s favorite part of this industry so far is her team, learning new skills and making others feel good about themselves. Outside of the office, you can find Cara hiking, walking her Goldendoodle, Leo, hanging out with her husband, Ryan, traveling and trying new sushi restaurants.
Favorite Treatments to Perform:
Morpheus8 body, IV therapy and lip filler.
Favorite Treatments to Receive:
EvolveX, Morpheus8 and filler.
Favorite Products:
ZO Skin Health Complexion Renewal Pads, ZO Skin Health Exfoliating Polish and SkinMedia TNS Advanced+ Serum.


Emily Osborne-Johnson, CNA

Certified Nursing Assistant & Medical Assistant
Emily joined Perfect Dose in 2023 as a Medical Assistant. She is also certified in Phlebotomy, IV administration, Laser and Aesthetics/Cosmetology. She is currently attending Grand Canyon University for her Bachelor’s degree in Nursing. She joined medical aesthetics in 2021 and worked previously as a Certified Nursing Assistant in hospice care and as a licensed cosmetologist. She is passionate about helping patients gain their self-worth and self-confidence. When she’s not at work or studying, Emily enjoys spending time with her husband, Marty, children; Ireland, Lilyana and Gunner, and paddleboarding.
Favorite Treatments to Receive:
DiamondGlow, Sculptra, filler and Daxxify.
Favorite Products:
SkinMedica HA5 Rejuvenating Hydrator, ZO Skin Health Daily Power Defense, Perfect Dose RX Vitamin C & Perfect Dose RX Retinoid Serum.
Jacqueline Johnson, LE, CLT

Licensed Aesthetician & Certified Laser Technician
Jacqueline joined Perfect Dose in 2022 as a Licensed Aesthetician and Certified Laser Technician. Born and raised in Phoenix, Jacqueline has a Bachelor’s degree in Education from Arizona State University. She taught at the elementary level before attending Avalon School of Cosmetology and Penrose Academy for laser certification. Jacqueline has a background in working for hotel and medical spas. Her favorite part of being a provider is helping her patients feel secure in their own skin and watching them transform. When not in the treatment room, Jacqueline can be found hiking, eating gluten-free pizza and hanging out with her husband, Alex; dogs, Roxy, Wiley and Zeppelin; niece, Grace and nephew, Jonny.
Favorite Treatments to Perform:
IPL, facials, chemical peel, any and all Microneedling.
Favorite Treatments to Receive:
Botox, Laser Hair Removal & DiamondGlow.
Favorite Products:
SkinMedica TNS Advanced+ Serum, SkinBetter Science Alto Advanced and ZO Skin Health Eye Factor Growth Serum.


Camrie Bickle, LE, CLT

Licensed Aesthetician & Certified Laser Technician
Camrie started working for Perfect Dose in 2023 as a Licensed Aesthetician and Certified Laser Technician. She is a true Arizona native – born and raised in the East Valley. She attended Southwest Institute of Natural Aesthetics before joining medical aesthetics in 2019. She has experience working for medical spas as well as on the corporate side where she was a Vivace Microneedling and Vivace Ultra National Trainer for Aesthetics Biomedical Inc. Her favorite part of aesthetics is the community among other providers and her clients. She is an avid skincare junkie and enjoys the constant opportunity to learn about new treatments and ingredients. Outside of the treatment room, Camrie enjoys attending stand-up comedy shows, visiting up north, working out with her mom, enjoying good food, playing board games and puzzles.
Favorite Treatments to Perform:
All forms of Microneedling!
Favorite Treatments to Receive:
Dermaplane & DiamondGlow.
Favorite Products:
SkinBetter Science AlphaRet Clearing Serum & ZO Skin Health Complexion Renewal Pads.
Jennifer Greathouse

Office Manager
Jenn started working for Perfect Dose in 2022 as the Office Manager. She is originally from San Diego and moved to Phoenix in 2017. Jenn is no stranger to medical aesthetics, she has been in this industry since 2016. She enjoys so many aspects from witnessing patient transformations to sharing in their personal milestones. From a manager perspective she gets to watch her team flourish and support them day in and day out. Out of office, you can find Jenn spending time with her husband, Joey, dogs; Bella and Bailey, line dancing and attending bibles studies.
Favorite Treatments to Receive:
Botox, chin filler, Morpheus8 & all facials.
Favorite Products:
ZO Skin Health Balancing Emulsion Cleanser, SkinMedica Even and Correct, SkinBetter Science Alto Advanced and SkinBetter Science Trio Moisturizer.


Evan Jones

Patient Care Coordinator
Evan started working for Perfect Dose in 2023 as a Patient Care Coordinator. She is originally from Denver, Colorado and moved to Phoenix in 2021 after living in San Diego for a decade. Evan has her Master’s in Education from San Diego State University and spent three years teaching elementary education before pursuing medical aesthetics. Her favorite part about this industry so far is enhancing the client experience starting from when they check in to check out by making them feel well taken care of and getting to know each of them on a personal level. When she’s not at Perfect Dose, you can find her hiking, working out, trying new restaurants with her husband, Zack, and watching football – Go Pack Go!
Favorite Treatments to Receive:
Botox, DiamondGlow & PRF Hair Restoration.
Favorite Products:
Anything by ZO Skin Health – especially the Complexion Renewal Pads and Acne Control Cream.
Tiana Chavez

Marketing Manager
Tiana started working for Perfect Dose in 2023 as the Marketing Manager. She is also a true Arizona native – born and raised in the East Valley. Tiana has her Bachelor’s degree in Broadcast Journalism from Arizona State University’s Walter Cronkite School of Journalism and Mass Communication. She spent many years pursuing a career in professional baseball – and even the international toy and comic book industry before joining medical aesthetics in 2018 as an operating room videographer. Her love for this industry started with witnessing patient transformations to now helping her team reach their goals, patient education and being able to work with her best friends daily. Outside of the office, Tiana enjoys anything outdoors – camping, fishing, hiking, golfing, co-ed softball and watching her son, Jacob, play sports. She is also an avid Spider-Man collector and sci-fi nerd.
Favorite Treatments to Receive:
Botox, all facials, Dermaplane, Vivace Microneedling & Laser Hair Removal.
Favorite Products:
SkinBetter Science Gentle Cleanser, SkinMedica Even and Correct, ZO Skin Health Complexion Renewal Pads & ZO Skin Health Wrinkle + Texture Repair.
