About Us

/About Us
About Us 2021-11-10T15:24:55-06:00

Our orchestra performers are community members who love music.

The Itasca Orchestra and Strings Program (IOSP), as a nonprofit, provides opportunities to hear, learn and perform orchestral music for the youth and adults in Itasca County.


Tammy Mattonen
Executive Director

Keith Swanson, IOSP

Keith Swanson
Symphony Conductor

Read Keith’s Bio


Pedro Oviedo, Director of String InstructionPedro Oviedo
Director of String Instruction

Pedro Oviedo, is a Paraguayan Violist and Orchestra Conductor, with vast experience in music education and string pedagogy. Mr. Oviedo is the former conductor of the All-University String Orchestra at the University of Wisconsin- Madison, and has previously been on the podium conducting the UW-Madison Symphony Orchestra, Orquesta Juvenil Curanilahue (Chile), VerArte Music Camp Orchestra (Peru), and the Wichita State University Symphony Orchestra.

As a violist, he has played with a number of professional orchestras. An avid chamber musician, Mr. Oviedo is a prize winner of a number of competitions, and has recently been invited to collaborate with musicians of the Oakwood Chamber players in Madison WI, and Chamber Music at the Barn in Wichita, KS.

Mr. Oviedo received his BM in Viola Performance from Wichita State University while performing with the Wichita Symphony Orchestra and the Bloomfield String Quartet, and Masters degrees in Viola performance and Orchestral Conducting from the University of Wisconsin-Madison. Passionate about the transformative impact of music in society, he is a member of the prestigious Global Leaders Program, pursuing an executive graduate certificate focused on building and cultivating skills in social service, innovation, pedagogy, organizational management, and entrepreneurship.





Vincent Osborn

Vincent Osborn holds a Master of Music degree in Double Bass Performance UMD and has Bachelor of Arts Degrees in music performance and music literature. He has a rich world-wide history in bass performance including major solo performances and has several recordings. Osborn is currently the assistant principal bass at the DSSO.

Magdalena Sas

Polish Cellist Magdalena Sas is a prize winner of international competitions, she has performed across Europe, Asia and the Americas, and appeared in renowned concert halls such as Musikverein and Konzerthaus in Vienna, BOZAR in Brussels, Witold Lutoslawski Studio in Warsaw, NCPA in Mumbai.

Ms.Sas presents masterclasses and workshops across the globe in collaboration with MusAid Organization, El Sistema, Global Leaders Program, Neemrana Foundation Delhi, and Jeunesses Musicales Belgium. Since 2020, she is also the Global Outreach and Program Coordinator at the International Cello Institute in Northfield, MN. In 2015/16 Ms.Sas was head of the cello program at the Mehli Mehta Music Foundation in Mumbai, India.

Recipient of the prestigious Fulbright Scholarship and Paul Collins Wisconsin Distinguished Fellowship, Magdalena is currently a doctoral candidate at UW Madison and a member of the Global Leaders Program pursuing an Executive Graduate Certificate in Social Entrepreneurship, Cultural Agency, Teaching Artistry, and Civic Leadership. Ms. Sas is a graduate of music conservatories in Poland, Belgium, and Austria, and was a member of the acclaimed European Chamber Music Academy (ECMA) in Vienna.


2021-2022 Board of Directors

Jesse Davis

Tom Nelson
Vice President

Cathy Shields

Luke Francisco

Tom Nelson

Eileen Grosland

Kelli Bishop

Katie Marshall

Myrna Peterson

Leah Lemm

Rachel Desantis

Gary Bordner