Vital Force Technology offers real science for real solutions

Energy Tools International & VFT

About The Team

Constance Kronn

Constance Kronn

Co-Founder, November 1948 to March 2017

EJ McManus

EJ McManus


EJ is responsible in providing strategic and operational leadership for the company to grow in successful products and services. Mr. McManus has a Master’s degree in business administration (management). He also has an undergraduate science degree in Business and Chemistry.

Heidi Van Syoc

Heidi Van Syoc

Director of Sales

Heidi is responsible in cultivating business client relationships and increasing effective product/service sales outside of the company.

Lori Genelly

Lori Genelly


As our in house accountant, Lori oversees and manages the Banking and Financial accounts of the company, she also assists the CEO in managerial responsibilities of the company.

Yvonne Angeletti

Yvonne Angeletti

Procurement & Logistics

Working closely with our manufacturers, Yvonne processes purchase orders and helps to coordinate shipping and receiving details to get all infused products in and out efficiently.

Lorina Millard

Lorina Millard

Sales & Orders

Lorina does it all from sales orders and practitioner care to filling and shipping retail and professional product orders.

Chris San Marco

Chris San Marco


Working closely with Yvonne and Lorina, Chris schedules and implements the infusion process and oversees quality control for all products entering and leaving our warehouse.

The Scientists

Dr. Yury Kronn

Dr. Yury Kronn, Ph.D.

Owner, President & Chief Scientist 

Dr. Yury Kronn, is a world renowned scientist, inventor, author, and lead scientist for Vital Force Technology, Research & Science division of Energy Tools International LLC. Educated in Russia’s prestigious Gorky University, Dr. Kronn earned his PhD. He was awarded a “Doctor of Sciences” degree by the scientific committee of Lebedev’s Institute of Physics, in Moscow, chaired at the time by N. G. Basov, Nobel Prize winner, reserved for scientists originating a new direction in their field. Dr. Kronn developed the comprehensive theory of quantum nonlinear interaction of coherent electromagnetic fields with atoms and molecules, co-authored the definitive book in his field, Resonant Interactions of Light with Matter, and published more than 75 scientific articles. He developed the theory of multi-photon lasers, contributed to the theory of laser-stimulated chemical reactions and created the world’s first 4-photon tunable laser frequency converter in the infrared range. He has four patents and is currently finishing his new book. Today, Dr. Kronn is an authority in the science of subtle energy/ vital force and has been involved in subtle energy physics research for the past 30 years. 

Read More about Dr. Yury Kronn


Dr. Nazarov

Igor Nazarov, Ph.D.

Research Scientist

Dr. Igor Nazarov has over 30 years of professional experience combined with an extensive educational background. With a Masters in Experimental Nuclear Physics, and a PhD in Chemical Physics from the famous Moscow Institute of Physics and Technology as well as a variety of engineering certificates, Dr. Nazarov has well rounded and extensive knowledge in physics making him a respected man of science and an asset to Energy Tools International. After teaching for more than 20 years, Dr. Nazarov worked around the globe in various fields of physics, further building knowledge and expertise needed for the Vital Force Technology.






Galina Kalyuzhny, M.Phys., M.S. in Herbal Medicine

Director of Business Development

Having a unique combination of different qualifications as a graduate of Institute of Physics and Technology and Maryland Institute of Integrative Health, Galina brought to Energy Tools International new direction of development through the formulation of herbal and subtle energies into very powerful formulas. Her enthusiasm and education make it possible to move VFT into new horizons.







Andrei Kogan, M.S.

Research & Development Engineer

With intensive scientific and technical background, more than 20 years of experience, Andrei opens for the Vital Force Technology new perspectives to attenuate its effectiveness and scalability. His experience in various areas of science, like chemistry, physics and electronics, allows ETI to refine further already efficient VFT methods and applications.