True Teachers

At Summit University we like to say that the ascended masters are the true teachers. Their teachings are incorporated into the curriculum to provide the best possible spiritual perspective and understanding.


Our online courses are taught by experienced SU instructors who participate in the course design process and are trained to provide excellent student guidance and support. Many instructors hold advanced degrees and/or are ordained ministers of Church Universal and Triumphant.

Carla Groenewegen, Director

Carla GroenewegenBorn and raised in Holland, Rev. Carla Groenewegen holds a Dutch doctoral degree (Drs) in Cultural Anthropology from Leiden University, with specializations in religious studies and the ethnography of Oceania.  Concurrently she explored a variety of esoteric philosophies, including Rosicrucianism and Theosophy.

Following her graduation she founded a small publishing house in Amsterdam, Amethyst Press, which she directed until immigrating to the United States.  She also worked as a free-lance translator.

She has lectured extensively on spiritual topics and conducted seminars and workshops in the USA as well as in Europe, Canada, Central and South America and Australia.   Employed in Summit University since 1990 and serving as its director since 1999, she developed numerous courses and co-authored two text books published by Summit University Press.  She currently spearheads the development of Summit University’s School of Theology and Spiritual Studies.

Carla loves writing, hiking, kayaking and gardening and serves her church as an ordained minister.   In 2004, she became a proud new citizen of the USA.

Susan Kulp

Susan KulpRev. Susan Kulp serves as a core faculty member in the School of Theology and Spiritual Studies. She brings to Summit University Online 23 years of experience as an administrator and instructor at Summit University and years of one-on-one training with Elizabeth Clare Prophet.

Raised in a family that travelled extensively, Susan’s interests are widespread. She enjoys ministering to people of all backgrounds, and is always up for a good conversation about politics, healing, or just the practical side of life.

Susan’s passion is to assist students to connect to their inner leader and to assist Summit University to fulfill its mission of offering a unique education that is imbued with divine understanding as taught by Mark and Elizabeth Prophet and the great sages of East and West. She has led seminars and workshops in the United States and in South America and has co-authored a textbook published by Summit University Press. She currently involved in course design and facilitating online courses.

Susan holds a B.A. from the University of Wisconsin and a M.A. in Psychology/Counseling from Central Michigan University.  She is an ordained minister of Church Universal and Triumphant.

Neroli Duffy

Neroli DuffyRev. Neroli Duffy is minister and former medical doctor, originally from Australia. She attended the University of Western Australia and received a Bachelor of Medical Science First Class Honors in Anatomy and Bachelor of Medicine, Bachelor of Surgery (equivalent to MD in the U.S.). She also earned a Diploma of Anesthesia from the Royal College of Surgeons in England.

Neroli’s medical interests moved from physical healing to ministry and the healing of the soul, and she now travels around the world conducting workshops on spirituality through Summit University, the educational arm of The Summit Lighthouse. She loves to write and has authored several books on spirituality including Wanting to be Born—the Cry of the Soul and Wanting to Live—Overcoming the Seduction of Suicide. She is also a cancer survivor and author of Journey through Cancer—A Guide to Integrating Complementary and Spiritual Healing with Conventional Treatment.

Neroli lives in Paradise Valley with her husband and fellow minister Peter Duffy. Peter and Neroli have extensive experience in outreach and media presentation. In her spare time Neroli is a volunteer mediator with the Community Mediation Center in Bozeman, Montana, and a member of their board of directors. To relax, she likes to make prayer beads and rosaries from crystals and gemstones.

Peter Duffy

Peter DuffyRev. Peter Duffy is an ordained minister who has been studying the Teachings of the Ascended Masters since 1979. He graduated BSc with honors in physics from the University of Sydney. After immigrating to the United States in 1983, his career path included IT and the publishing industry. He has been an instructor at Summit University since 1996 and has conducted seminars in Europe, North and South America, Australia and Africa.

Peter has long been interested in applying spiritual principles to the larger problems of government, the economy and society. In addition to his work for Summit University, he serves as a mediator specializing in family mediation.

Rose Gadigian

Rose Gadigian~Rose believes everyone is a leader~

Rooted in servant leadership, Rev. Rose Gadigian brings over 25 years of experience to the field of leadership and team building.

The youngest of three children she developed a love for team work and competitive sports from her two older brothers who supported her participation in high school field hockey, basketball, and tennis competitions.  After graduation from high school, she attended Eastern Michigan University in Ypsilanti, Michigan where she earned a B.S. in Physical Education.  Following the adoption of her son, Eric, she received a M.A. in Secondary Guidance and Counseling from Central Michigan University in Mt. Pleasant, Michigan.

A transformative spiritual experience enriched Rose’s natural leadership, mentoring, and counseling skills.  Listening to the still small voice in her heart, she entering the ministry and became an ordained minister of Church Universal and Triumphant.

Rose has served in numerous non-profit executive leadership roles—President of the Minneapolis/Saint Paul Teaching Center, Treasurer of The Community Adoption Agency and member of the Board of Directors of her church.  She is currently a member of her church’s Council of Elders.  Dedicated to the care of children, she is a volunteer with CASA, a non-profit organization dedicated to child advocacy.

From her home in rural Montana, Rose spends her leisure hours walking her Golden Doodle, Lotus, blogging, and helping others to grow professionally and spiritually.

Linda Worobec

Linda WorobecRev. Linda Worobec is a minister and former professional singer and soloist from Boston.  She has a Bachelor of Music degree from the University of Colorado and Masters of Music degree from the University of Wisconsin in applied voice.  She has performed in over 20 musical groups as well as musical theatre.

She became a member of The Summit Lighthouse in 1979 and joined staff in the Office of the National Coordinator in 1985.  Since then she has worked in many departments and functions including Editorial, Word Processing, Public Relations, Church Manager, Stewardship and as Elizabeth Clare Prophet’s executive assistant.  She has traveled to Russia, Africa, Mexico, Colombia and Canada as a representative and lecturer for The Summit Lighthouse.

She met her husband, Robert, while performing in a musical revue called The Paradise Players.  Since then Linda and Robert have produced seven CDs of Broadway show tunes as well as a Hispanic CD of sacred songs.  They own a natural market in Livingston, Montana and for peace of mind and spirit, Linda loves growing roses and bringing them to the office.

Destyne Sweeney

Destyne SweeneyDestyne Sweeney has a BA in Public Communications from University of Alaska Anchorage, graduating Magna Cum Laude.  She has worked in the public communications arena professionally for more than 25 years producing communications for speech, print, television and online media. She grew up in Wyoming and was raised by a family that regularly supported local Toast Masters groups, which inspired her to be involved in public speaking for much of her life. Some of her topics include technology for non-techies, alternative healthcare for frail populations, spirituality and non-fiction, and humor related to senior care.

Her family always included numerous grandparents living in or near the family home. At age 21, she founded a corporation called Golden Age Care (named by her grandmother). Her team worked with pilot programs in the state and at a national level that helped prove the efficacy and financial soundness of home healthcare and early hospital discharge for seniors rather than extended hospitalizations and nursing home stays. The outcomes of this work helped insurance companies and state/federal programs progress towards authorizing coverage for home healthcare in America. She also pioneered sliding fee scales and private subsidy programs that allowed her company to serve lower income clients.

She lives in Pray, Montana, with her husband and teenage daughter (two sons having flown the coop) where they experiment with concepts of permaculture style farming. They also have a senior care cottage on the farm. She has been working and serving in senior care for 36 years.

Janet Nordemann

Janet NordemannJanet Nordemann earned her BS in sociology and education and M. Ed. in elementary education.  She holds an AMS Montessori Elementary certificate, Gifted Education certificate and National Board certification.  Janet recently retired from teaching in the elementary classroom after devoting forty years to a career that she thoroughly enjoyed.

Janet now devotes her time to writing children’s stories for her church’s Sunday services, presenting webinars on educational topics, and working for Summit University.  She has an extensive background in presenting various workshops on such topics as the Montessori curriculum, Spalding Reading, accelerated learning, gifted education and comedy in the classroom.  She even had the opportunity to travel to Russia to present a workshop on the Montessori philosophy.

She is an active member of Toastmasters International.  She enjoys giving speeches and listening to others’ presentations.  She believes that everyone has a story to tell and that others can benefit from hearing it.

Janet lives in Montana with her husband.  She spends her free time writing and reading, going for walks, or watching her hometown St. Louis Cardinals baseball team.  She recently discovered the thrill of downhill skiing and hopes to continue this new adventure next winter.  She is making her debut in gardening this summer and has high expectations for success.  Her greatest joy is studying the teachings of the Ascended Masters.

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