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Faculty and Staff

Photo of Barbara Seideneck

Barbara Seideneck

Barbara Seideneck, CHom, CCH, RSHom is the founder and director of HSI. Barbara has been teaching homeopathy since 1994 and since 1997 is nationally certified with the Council for Homeopathic Certification(CCH). She has conducted provings of Amethyst, Aquilegia Vulgaris and Aquilegia Coerulea Columbines, Ayahuasca and Emerald. Barbara works in Loveland, Colorado and has served on the Case-Exam Committee of the CHC and the board of ACHENA (Accreditation Commission for Homeopathic Education in North America).

Barbara Seideneck, CHom, CCH, RSHom is the founder and director of HSI. Barbara has been teaching homeopathy since 1994 and since 1997 is nationally certified with the Council for Homeopathic Certification(CCH). She has conducted provings of Amethyst, Aquilegia Vulgaris and Aquilegia Coerulea Columbines, Ayahuasca and Emerald. Barbara works in Loveland, Colorado and has served on the Case-Exam Committee of the CHC and the board of ACHENA (Accreditation Commission for Homeopathic Education in North America).

View a Sample Teaching Video
Photo of Jody K. Shevins

Jody K. Shevins

Jody Shevins, ND, DHANP, CCH, obtained her Naturopathic Doctorate from the National College of Naturopathic Medicine in 1984. Jody completed post-graduate work with the International Foundation for Homeopathy and holds a diploma from the Homeopathic Academy of Naturopathic Physicians. Jody has been practicing in Boulder, Colorado since 1984 and has taught at HSI since 1991. Jody is a founding faculty member.

Jody Shevins, ND, DHANP, CCH, obtained her Naturopathic Doctorate from the National College of Naturopathic Medicine in 1984. Jody completed post-graduate work with the International Foundation for Homeopathy and holds a diploma from the Homeopathic Academy of Naturopathic Physicians. Jody has been practicing in Boulder, Colorado since 1984 and has taught at HSI since 1991. Jody is a founding faculty member.

View a Sample Teaching Video
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600 S. Airport Road Bldg. A, Suite 203 Longmont CO 80503 US

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Anne Schadde

Anne Schadde began to practice homeopathy and psychotherapy in Munich/Germany in 1986. She was one of the founders of the Homeopathy Forum in Gauting/Munich and the European & International Councils for Classical Homeopathy and teaches in Germany and other countries. She has conducted homeopathic provings of Ozone, Lithium carbonicum, Cypraea eglantina (Cowrie-Shell), Lignum aquilaria agallocha (a scented wood), Gingko biloba, some of the provings are published in 'Listening to Stone, Wood and Shell' and 'Seven Tourmalines of the Rainbow; A Study with case samples.‘

Anne Schadde began to practice homeopathy and psychotherapy in Munich/Germany in 1986. She was one of the founders of the Homeopathy Forum in Gauting/Munich and the European & International Councils for Classical Homeopathy and teaches in Germany and other countries. She has conducted homeopathic provings of Ozone, Lithium carbonicum, Cypraea eglantina (Cowrie-Shell), Lignum aquilaria agallocha (a scented wood), Gingko biloba, some of the provings are published in ‘Listening to Stone, Wood and Shell’ and ‘Seven Tourmalines of the Rainbow; A Study with case samples.‘

View a Sample Teaching Video
Photo of Barbara Yarnell

Barbara Yarnell

Barbara Yarnell, CCH, RSHom, (NA) PCH, CHom, is a nationally certified homeopath and has a private practice in Denver, CO (USA). She graduated from the Professional and Advanced Programs at the Homeopathy School International, received a diploma from the Dynamis School in England, and studied extensively with Rajan Sankaran and Dr. A.U. Ramakrishnan in the US and India. Barbara has been a faculty member of HSI since 2002. She currently serves on the board of the Council for Homeopathic Certification (CCH).

Barbara Yarnell, CCH, RSHom, (NA) PCH, CHom, is a nationally certified homeopath and has a private practice in Denver, CO (USA). She graduated from the Professional and Advanced Programs at the Homeopathy School International, received a diploma from the Dynamis School in England, and studied extensively with Rajan Sankaran and Dr. A.U. Ramakrishnan in the US and India. Barbara has been a faculty member of HSI since 2002. She currently serves on the board of the Council for Homeopathic Certification (CCH).

View a Sample Teaching Video
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311 South Williams St. Denver CO 80209

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Dorothy Simoni

Dorothy Simoni, PhD, CCH, CHom, NC, is a graduate of HSI’s Practitioner Certification and Advanced Studies programs. Dorothy is a practicing homeopath in Sacramento, California. She is also Professor Emerita at California State Polytechnic University in Pomona, California where she specialized in teacher education, curriculum development and online learning. Dorothy has been with HSI since 2004, applying her skills in curriculum development, teaching, and assessment. Dorothy also served on the CHC Board and continues to serve on a number of CHC Committees.

Dorothy Simoni, PhD, CCH, CHom, NC, is a graduate of HSI’s Practitioner Certification and Advanced Studies programs. Dorothy is a practicing homeopath in Sacramento, California. She is also Professor Emerita at California State Polytechnic University in Pomona, California where she specialized in teacher education, curriculum development and online learning. Dorothy has been with HSI since 2004, applying her skills in curriculum development, teaching, and assessment. Dorothy also served on the CHC Board and continues to serve on a number of CHC Committees.
View a Sample Teaching Video

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Sacramento CA

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Kiersten Stevenson

Kiersten Stevenson, MEd., MA, CHom, holds graduate degrees in English and Education and certificates in Homeopathy and Health and Wellness Coaching. She taught writing and cultural studies at the University of Rhode Island and currently teaches holistic nutrition and journaling at Front Range Community College (FRCC). Kiersten is a graduate of the Homeopathy School International (HSI) and practices homeopathy in Longmont, CO.  She sits on the advisory boards of both HSI and the Integrative Health and Wellness Program at FRCC. As the HSI student advisor, she provides support for students and curriculum input.

Kiersten Stevenson, MEd., MA, CHom, holds graduate degrees in English and Education and certificates in Homeopathy and Health and Wellness Coaching. She taught writing and cultural studies at the University of Rhode Island and currently teaches holistic nutrition and journaling at Front Range Community College (FRCC). Kiersten is a graduate of the Homeopathy School International (HSI) and practices homeopathy in Longmont, CO.  She sits on the advisory boards of both HSI and the Integrative Health and Wellness Program at FRCC. As the HSI student advisor, she provides support for students and curriculum input.

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Kristen Santangelo

Kristen Santangelo CCH, RSHom (NA), C.HP is nationally certified by the Council for Homeopathic Certification and registered with North American Society of Homeopaths. She graduated from the Professional and Advanced trainings at the Homeopathy School International. Kristen practices classical homeopathy in Exton, PA since 2012, has done extensive post-graduate training and is a Certified Homeoprophylaxis Practitioner. Kristen is currently a teaching assistant at HSI overseeing student assignments for students enrolled in the Foundations courses.

Kristen Santangelo CCH, RSHom (NA), C.HP is nationally certified by the Council for Homeopathic Certification and registered with North American Society of Homeopaths. She graduated from the Professional and Advanced trainings at the Homeopathy School International. Kristen practices classical homeopathy in Exton, PA since 2012, has done extensive post-graduate training and is a Certified Homeoprophylaxis Practitioner. Kristen is currently a teaching assistant at HSI overseeing student assignments for students enrolled in the Foundations courses.

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401a Gordon Dr. Exton PA 19341

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Polly Millet

Polly Millet, RN, MSN, CCH is a graduate of the Florida Academy of Classical Homeopathy and a nationally certified homeopath. She is a retired Nurse Practitioner and Nursing educator with 40 years of experience in classroom, online and clinical instruction in a variety of settings, including psychiatry, obstetrics, pediatrics and general hospital units. She has enjoyed many years of mentoring students and graduates, both nurses and new and aspiring homeopaths. She worked with the Council for Homeopathic Certification during the transition to the new certification exam, and reads cases for those seeking certification under the "old rules" of the CHC. She is the past President of the Florida Homeopathic Society, a non-profit organization that promotes homeopathic education and produces an annual conference. …

Polly Millet, RN, MSN, CCH is a graduate of the Florida Academy of Classical Homeopathy and a nationally certified homeopath. She is a retired Nurse Practitioner and Nursing educator with 40 years of experience in classroom, online and clinical instruction in a variety of settings, including psychiatry, obstetrics, pediatrics and general hospital units. She has enjoyed many years of mentoring students and graduates, both nurses and new and aspiring homeopaths. She worked with the Council for Homeopathic Certification during the transition to the new certification exam, and reads cases for those seeking certification under the “old rules” of the CHC. She is the past President of the Florida Homeopathic Society, a non-profit organization that promotes homeopathic education and produces an annual conference. She consults with those interested in homeopathy in Central Florida.  Polly supervises HSI students enrolled in the Clinical and Advanced Studies courses.

Photo of William Wallick

William Wallick

William Wallick, B.S., Pol. Sci. & Public Administration, joined the school in 2001 to administratively support the school’s expansion. With an extensive experience in video production and his involvement as Media Specialist for Boulder Valley Schools, Bill was instrumental in developing the school’s distance education video program. He currently manages the HSI school office and the school’s media participation.

William Wallick, B.S., Pol. Sci. & Public Administration, joined the school in 2001 to administratively support the school’s expansion. With an extensive experience in video production and his involvement as Media Specialist for Boulder Valley Schools, Bill was instrumental in developing the school’s distance education video program. He currently manages the HSI school office and the school’s media participation.

Photo of Ann McKay

Ann McKay

Ann McKay RN-BC, MA HNB-BC, HWNC-BC, DHM, CCH brought many years of experience to HSI when she joined the school in 2019 as case supervisor. Ann has over thirty years of experience as an RN, educator and homeopath. She is board certified as a Psychiatric-Mental Health Nurse, RN-BC; as a Holistic Nurse, HNB-BC; as Certified Classical Homeopath, CCH, and Health and Wellness Nurse Coach, HWNC-BC. Ann served as President for the Council for Homeopathic Certification (CHC) from 2011 – 2017. She has been a faculty member and Clinical Supervisor for various colleges and continues to work with CCH practitioners on their difficult cases. She has a thriving homeopathic private practice in Providence, Rhode Island.

Ann McKay RN-BC, MA HNB-BC, HWNC-BC, DHM, CCH brought many years of experience to HSI when she joined the school in 2019 as case supervisor. Ann has over thirty years of experience as an RN, educator and homeopath. She is board certified as a Psychiatric-Mental Health Nurse, RN-BC; as a Holistic Nurse, HNB-BC; as Certified Classical Homeopath, CCH, and Health and Wellness Nurse Coach, HWNC-BC.

Ann served as President for the Council for Homeopathic Certification (CHC) from 2011 – 2017. She has been a faculty member and Clinical Supervisor for various colleges and continues to work with CCH practitioners on their difficult cases. She has a thriving homeopathic private practice in Providence, Rhode Island.

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Chrystal Cocek

Chrystal Cocek, BHScNH obtained her Bachelors of Science in Natural Health in 2004. She is chronically curious and continued her education and experience in herbal medicine in many modalities. Chrystal is currently expanding her knowledge in homeopathy. She joined the school in 2019 in administration to support admissions, enrollment and marketing efforts for the school.

Chrystal Cocek, BHScNH obtained her Bachelors of Science in Natural Health in 2004. She is chronically curious and continued her education and experience in herbal medicine in many modalities. Chrystal is currently expanding her knowledge in homeopathy. She joined the school in 2019 in administration to support admissions, enrollment and marketing efforts for the school.

Guest Lecturers

HSI regularly hosts national and international guest lecturers that have included:

  • Kim Elia – USA – View a Sample Teaching Video
  • Carol Boyce, CCH – England
  • Mahesh Gandhi, MD – India
  • Alastair Gray, RSHom, PCHom, BAHons – USA
  • Miranda Castro, FSHom, CCH – England
  • Farokh Master, MD – India
  • Richard Pitt, CCH – England
  • Judyth Reichenberg-Ullman, ND, MSW – USA
  • Amy Rothenberg, ND – USA
  • Nandita Shah – India
  • Robert Ullman, ND – USA
  • Juergen Weiland, HP – Germany
  • Phillip Yarnell, MD – USA

Anyone who stops learning is old, whether at 20 or 80. Anyone who keeps learning is young.

Henry Ford