Bill Hamm, a founding member of Luminous Voices, has been the Music Director of Rosebud Centre of the Arts since 1989. He has degrees in Choral Conducting, studying primarily with Bill Baerg (Winnipeg) and Don V. Moses (U. of Illinois).  He has sung in many choirs throughout his career. He currently conducts four choirs, teaches voice and speech classes, and has acted and directed music for numerous theatre shows.  As well, Bill currently sings with the Canadian Chamber Choir, and chairs the Rosebud Festival Society.  His diverse musical interests (Bach to Bluegrass) and experience as a trumpeter, choral director, and theatre musician allows him to experience a rich life. 

The Luminous Voices schedule affords Bill the opportunity to participate in the finest choral music-making even though he comes from out of town, for which he is most thankful. Bill lives in NE Rosebud with his wife Renita.They have four children and two grandchildren. He loves running, mountain biking, hockey, and renovating their 1928 farm house.

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Boyd Hansen began singing at the age of seven with the Calgary Boys' Choir. This early exposure to the joys of choral music and the rich experience it affords led him to continue singing with choirs including the Lethbridge Collegiate Institute Chamber and Jazz Choirs, the University of Lethbridge Singers, Spiritus Chamber Choir, Vocal Point Chamber Choir (Toronto), Strata (Hamilton, ON), and Il Sono Men's Vocal Ensemble. He has performed with VoiceScapes and in joint concerts with Pro Coro Canada, the Vancouver Chamber Choir, and the Calgary Philharmonic Chorus.

Boyd is a founding member of Luminous Voices. He holds degrees in physics and engineering, and is currently employed as an integrated circuit design engineer.

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Stuart MacQuarrie is a record producer, songwriter, remixer, and composer. He has been performing for audiences in Calgary and around the world for more than 30 years, both as a chorister and featured performer. His original music has been licensed internationally into feature films, television series, video games, and advertisements. Stuart feels profoundly privileged to sing with Luminous Voices, and feels blessed to perform with such a remarkable ensemble of gifted musicians.



Praised for an "instantly likeable and exciting voice" with "gorgeous spinning tone", award-winning musician Oliver Munar is in increasing demand for his versatility, clarity, and musicality. Oliver performs a wide variety of repertoire, including art song, oratorio, opera and beyond.

Oliver completed a Master of Music degree in vocal performance with acclaimed international operatic tenor John Tessier. He completed a master course in German poetry and performance at the prestigious Franz-Schubert-Institut in Austria, where he studied with some of the world's leading interpreters of German art song, including Elly Ameling, Robert Holl, Birgid Steinberger, Andreas Schmidt, Helmut Deutsch, Julius Drake, Roger Vignoles, Wolfram Rieger, and the late Deen Larsen. He had his professional operatic debut playing Gastone in Verdi's La traviata with Mercury Opera in March 2018; he will reprise the role in his debut with Calgary Concert Opera Company in September 2018, and will sing in Calgary Opera's production of Verdi's Rigoletto in the spring of 2019.

Oliver complements his performing schedule with composing & arranging, teaching voice, offering workshops and clinics, and writing performance reviews  for both Schmopera and Opera Canada. An accomplished ensemble singer, he is a founding member of Luminous Voices.

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While attending university, Caleb Nelson joined the renowned University of Alberta Madrigal Singers while also playing trumpet in jazz bands at both the U of A and MacEwen University. Upon meeting many other musicians who shared his passion for voice, Caleb developed a vision to bring choral music into the mainstream through a cappella arrangements.

A founding member of Luminous Voices, Caleb currently works as a recording engineer with Wolf Willow Studios, and as both an engineer and voice teacher at his own Silver Studios in Edmonton. He is also a longtime member of the professional chamber choir Pro Coro Canada. Caleb enjoys a wide variety of singing styles, from classical to jazz, rock to pop, which he puts to great use as a choir director and choral arranger with both ETown Augmented and ETown Minors.

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One of the founding members of Luminous Voices, Rod Olson has had an extensive and varied career as a choral singer, including involvement with the Augustana Choir, Pro Coro Canada, the National Youth Choir, Vancouver Cantata Singers, and both VoiceScapes and the award-winning Spiritus Chamber Choir. He has performed and recorded with Edmonton-based male ensembles eco and Voce. Rod enjoys gathering communities around the reflective music of Taizé, and is owner of Leaf & Lyre Urban Farms – Calgary’s first Small Plot INtensive (or SPIN) Farm – which utilizes local backyards to grow nutrient-dense food. Rod puts love into everything he does, whether it is the soil or the music you will enjoy with Luminous Voices.



Born and raised in Magrath, Alberta, tenor Jason Ragan completed a Master of Music degree at the University of Western Ontario under the tutleage of Theodore Baerg. He also graduated from the University of Lethbridge where he studied voice with Blaine Hendsbee. As a member of Calgary Opera's Emerging Artists Program, Jason performed the roles of Blind in Die Fledermaus, both First Priest and Armed Man in Die Zauberflöte, and Graf Albert in the Canadian premiere of Korngold's Die Tote Stadt. Previous roles include Gonzalve in L'heure espagnole, Ramiro in La Cenerentola, and male chorus in The Rape of Lucretia with UWOpera.