Team Bios

Daniel T. DeBaun Bio Photo

Daniel T. DeBaun
Engineer, Co-Founder and CEO

Daniel is an internationally recognized and influential expert in shielding electronic emissions and Electromagnetic Radiation (EMF) protection, with a particular focus on the effect of exposure from mobile devices such as laptops, tablets and cell phones. Daniel’s concern regarding the health impact of electronic radiation emissions grew from over 30 years of engineering experience in the telecommunications industry, where he held a variety of leadership and executive positions at Bell Labs, AT&T, SAIC and Telcordia.

Through the course of his career, Daniel has created requirements for large telecommunication systems, led technical divisions responsible for establishing industry standards and formed analysis adherence testing for next-generation digital transmission systems. Daniel also oversaw laboratories which analyzed electromagnetic radiation (EMF) interference, electrical signals and digital formats. He and the teams he led were looked upon as industry authorities.

Daniel is the inventor of DefenderShield®, the most effective EMF radiation protection technology for mobile devices ever developed. In addition to his work with DefenderShield®, Daniel is a highly regarded author, industry consultant, writer, and speaker as well as frequent guest national radio and television programs discussing EMF health issues.

Daniel is co-author of the bestselling book, Radiation Nation: The Fallout of Modern Technology, the complete guide to EMF radiation safety and protection.

Daniel’s DefenderShield® Product Picks: DefenderPad Laptop Shield, Versa Readers Blue Light Blocking Glasses, EMF Protection Tablet Case


Ryan DeBaun Bio Photo

Ryan DeBaun
Co-Founder and COO

Ryan is a proven innovator specializing in creative development and communications. As co-founder of DefenderShield®, he leads operations and strategy, leveraging his unique and vast experience across all aspects of business, media and technology,

Throughout his career, Ryan has held many roles including manager, producer, creative director, designer, and writer for many of the largest media companies in the world including HBO, CNBC, Cox, CBS, and ABC.

With a passion for health and wellness, Ryan is considered an industry leader, educating worldwide communities about EMF and its potential health issues, while driving the development of the most effective shielding solutions ever produced.

Ryan is co-author of Radiation Nation: The Fallout of Modern Technology, the complete guide to EMF radiation safety and protection.

Ryan’s DefenderShield® Product Picks: EMF Protection Laptop Sleeve, Signature Blue Light Blocking Glasses, EMF-Free Air Tube Earbuds


Kylen Ribeiro Bio Photo

Kylen Ribeiro
Vice President

Kylen is responsible for running all business operations at DefenderShield. After growing up in Raleigh, NC, Kylen moved to Tallahassee, FL to complete her 17-year long swimming career at Florida State University as the Women’s Swimming and Diving Team Captain. Kylen graduated with a B.S. in Marketing and Management and married her fellow teammate turned husband. She continued her education as a Seminole and went on to earn her Masters in Business Administration.

Upon finishing school, Kylen secured an executive management position with one of the largest retailers in the world, where she spent over 6 years honing a wide skill set that has allowed her make an immediate impact at DefenderShield.

In 2016, while pregnant with her son, Kylen completed a 200-hour Yoga Teacher Training program at a prominent studio in Tampa, FL, where she met DefenderShield’s COO, Ryan DeBaun. Roughly a month after earning her RYT200, Kylen and her husband welcomed their yoga baby and future athlete into the world.

Kylen knew what a special opportunity it would be to join DefenderShield, the pioneers of a new industry in the health and wellness space. She somehow convinced Ryan and Daniel DeBaun to hire her and has been a part of the team since November of 2017.

In her personal time (wait, do moms even have personal time?), Kylen enjoys time with family and friends, reliving childhood with her son, practicing yoga, traveling, and enjoying the outdoors and water.

Kylen’s DefenderShield® Product Picks: EMF Protection iPhone Wallet Case, Fitover Blue Light Blocking Glasses, EMF Protection Hip Pack


Michelle Klein Bio Photo

Michelle Klein
Content Marketing Manager

Michelle is responsible for producing and managing creative media content for DefenderShield. Michelle grew up playing volleyball in Palm Beach, Florida, before attending Elon University in North Carolina to play NCAA volleyball. She graduated with a BA in Journalism and minors in Health & Wellness Education and Business Administration.

Michelle has been creating videos since she was seven years old and has a passion for providing people with engaging and informative multimedia content. She studied communications and film throughout middle school, high school, and college, where she was an active member of Elon’s student news production.

As an athlete, Michelle thinks holistic wellness is very important in every aspect of life. She is a vegan who is passionate about the environment and spending active time in the outdoors.

Michelle is an optimistic, creative, and focused Marketing Manager who creates engaging and enlightening media while providing up-to-date information on the evolving mobile and digital world.

Michelle’s DefenderShield® Product Picks: EMF Protection iPhone Wallet Case, EMF Protection Hip Pack, EMF Free Air Tube Earbuds


Shannon Henderson Bio Photo

Shannon Henderson
Client Relations Manager

Shannon Henderson is responsible for managing all client relations and customer service activities at the DefenderShield corporate office. She has held several high-level Administration management positions in the Tampa area for the past 15 years. She received her Bachelor of Arts degree in International Relations from the University of Toronto and attended the University of South Florida as an international student.

A fitness enthusiast and lover of the arts, she is also an active sponsor of several African children through a charitable organization known as Plan International. She’s also an avid amateur artist with a specialization in oil painting and charcoal drawing.

Shannon has a proven track record in office Administration at the corporate level with over 15 years experience. She has contributed to the publication of a book and worked as a personal assistant to several high-profile executives including a well-known motivational speaker and a former Florida gubernatorial candidate.

Shannon’s DefenderShield® Product Picks: EMF Protection Universal Wallet Case, Versa Blue Light Blocking Glasses, EMF Protection Blanket


Sarah Kivi Bio Photo

Sarah Kivi
Client Relations Specialist/span>

Sarah is a spirited client relations specialist highly skilled at creating and cultivating valued client relationships. Her duties include customer service and support for consumers, distributors and affiliates.

After beginning her career in the healthcare industry, Sarah owned and operated a successful trivia entertainment company in the Tampa Bay Area for 12 years before joining the DefenderShield family. A natural communicator, Sarah relishes the opportunity to identify and create solutions that enhance the lives of people around her in a meaningful way.

An active member of the community, Sarah volunteers with foster homes, animal rescues and neighborhood projects for the disadvantaged and indigent. DefenderShield’s mission of education and support for their customers is the perfect fit for her unique skill set both personally and professionally. Sarah is thrilled to use her eclectic background to help people navigate EMF protection, and to give those with EMF sensitivity a better quality of life.

A devoted animal lover, Sarah has been a vegetarian since the age of 13. She spoils her dog Charlie rotten and keeps treats at the office for any visiting K9 companions. Sarah is also proud to serve as DefenderShield’s 3rd-string shipping associate when Mark is on vacation.

Sarah’s DefenderShield® Product Picks: EMF Protection Blanket, Reader Blue Light Blocking Glasses, “Radiation Nation” Guide to EMF Protection


Julia Malachowski Bio Photo

Julia Malachowski
Product Development and Logistics Manager

Julia is a dynamic member of the Defendershield team, and is responsible for multiple facets of the e-commerce supply chain. 

Julia moved to Florida while in middle school, and met her husband in high school. She graduated from the University of South Florida with her BA in psychology, and spent the next eight years working with special needs children and their families.

In 2017 she began operating her own e-commerce business so she could stay home with her two small children during her husband’s two year deployment. Succeeding in finding unique products that helped others, Julia learned how to buy and sell online. After selling her business Julia wanted new challenges in a global marketplace.

As a parent of two children, one with sensory processing sensitivity, she knows health and wellness go far beyond what we can see, hear, touch, smell or taste. Her unique experiences with her own child has led to an understanding of what those who are sensitive must overcome.

Julia and her family are avid fans of science fiction, anime and gaming. Julia participates in multiple role-playing game groups, comic conventions, and LARPing and cosplay from time to time. Her most memorable cosplay took place at the Utah Comic Con, where she dressed as River Song and was accompanied by her husband–the Doctor–and their infant son inside his Tardis stroller (don’t worry it was bigger on the inside).

Julia’s DefenderShield® Product Picks: DefenderPad Laptop Shield, DefenderPad Pillow, and EMF-Free Air Tube Earbuds


Mark Peto Bio Photo

Mark Peto
Shipping & Logistics Lead Specialist

Mark is responsible for daily shipping and receiving operations, and makes sure inventory and logistical operations are always running smoothly.

After growing up in the Chicago area, Mark moved to Florida in 2015 to escape the bitter cold Chicago winters!

Mark has more than 20 years of experience in inventory control, material management and marketing acquired from several Fortune 500 and multi-national corporations.

Upon moving to Florida, he started his own online business with his wife Laura, specializing in spiritual and metaphysical supplies. Mark is a certified Reiki Master with extensive knowledge of crystals, meditation and Yoga. He leads a vegetarian lifestyle and enjoys long walks on the beach. He is full of interesting trivia knowledge, and maintains a calm and welcoming attitude no matter how busy the office gets!

Mark’s DefenderShield® Product Picks: DefenderPad Laptop Shield, EMF Protection iPhone Wallet Case


Mike Garcia Bio Photo

Mike Garcia
Shipping & Logistics Specialist

Mike is responsible for daily shipping and receiving operations, and helps make sure orders are shipping out accurately and on time!

Mike is a native to Florida and served in the Naval reserves as a radioman for three years. After, he joined the direct mailing industry and later went into management, where he served as the operations supervisor for a direct mailing company.

In his free time, Mike enjoys watching sports and movies with his son.

Mike’s DefenderShield® Product Picks: DefenderPad Laptop Shield, EMF-Free Air Tube Earbuds, Signature Blue Light Blocking Glasses