As a musician with a variety of interests, Nathan has shared the stage with such respected performers as Bernadette Peters, Joe Morello, Sherryl Milnes, Lou Christie, John Blake, Jr., George Young,  and many others.  He has also appeared on various recordings representing a wide range of styles.

On September 11, 2002, he had the distinct honor of performing with the Johnstown Symphony Orchestra at the Memorial of Flight 93 in Shanksville, PA.  This event was broadcast internationally and included speeches by Gov. Mark Shweiker and Gov. Tom Ridge.

He has just recently been appointed to the position of Professor of Bass Studies at Indiana University of Pennsylvania.

Nathan is originally from northeastern Pennsylvania. Born into a very musical family, he's had an eclectic musical background. He spent his undergraduate years at Wilkes University as a music performance major, studying bass with Gary Karr pupil, Perry Orfanella, and also extensive vocal studies with Richard Chapline, Dr. Stephen Barton, and Helen Ralston. While in Wilkes-Barre, he performed frequently with different musical organizations. Some include tenor soloist with the Scranton Singers' Guild and Wyoming Valley Oratorio Society, founding member of Cincopella (an a cappella vocal quintet), bassist for jazz and variety groups: Central City Nite Flight, River's Edge, Dynamite, and teacher/ counselor/conductor at the Encore Music Camp of PA.

After receiving his Bachelor's Degree, he then pursued his Master's Degree at the University of Miami in Florida. At U.M. his focus was Jazz Performance, although he was a student of Dr. Lucas Drew (principal double bassist of the Florida Philharmonic) and performed with the university orchestra.  Instruction was received gratefully and respectfully from Don Coffman (Jazz Bass, Jazz History, and Jazz Pedagogy), Rob Lussier (Jazz Arranging), Gary Keller (Jazz Improvisation), and Ron Miller (Jazz Improvisation, Jazz Composition, and Avant Garde Ensemble.)

He then moved to Johnstown, PA, to be with his wife, Kristen (also a very multi-talented educator and musician). In the western PA area (Steeler country!) he has become very busy indeed. He is Principal Bass of the Johnstown Symphony Orchestra, has substituted as Principal Bass of the Altoona Symphony Orchestra, and has performed with the Westmoreland Symphony Orchestra. Recently, he has been an active member of the Chamber Orchestra of the Alleghenies.

In Jazz, Nathan has performed with local artists including his own quartet, The Band Formally Known As Nosmo King (who know prefers to use an androgynous, trumpet/sax symbol as a name), featuring violinist, Stanley Chepaitis.  He's also been actively performing with Johnstown's newest big band, Jazz In Your Face, led by drummer, Michael Bodolosky.  Jazz In Your Face performed at the 2002 Cambria County Folk Fest.  He's worked with other legendary jazz personalities such as John Pencola, Don Alicquo, Sr., Dick "Nappy" Nepolitan, and also respected educators Michael Tomaro from Duquesne University, Dan Yoder from Penn State University, and Stephen Hawk from Slippery Rock University.  He's also performed with the very exciting, Eric Mintel Quartet.

He has been a pit musician in many musical theater productions for the Mountain Playhouse (Jennerstown, PA), Allegheny Highlands Regional Theater (Cresson, PA), St. Vincent's in Latrobe, University of Pittsburgh in Johnstown, Westmont Hilltop, Richland, Somerset, Northstar, and Conemaugh Township School Districts.

Nathan served on the faculty of the University of Pittsburgh in Johnstown as Adjunct Professor from 1998-2001, teaching Introduction to Western Music, Jazz History , and Theory and Analysis of Music.  Between 1998-99, he also served as Professor of Bass Studies at Penn State University, Main Campus.  He maintains an extensive home studio of talented, young vocalists, pianists, bassists, and various other musical interests. 

Between 1999-00, he was appointed the Director of Music Ministry at Westmont Presbyterian Church to substitute for a leave of absence, and is currently the Associate Director.

Recently, Nathan, wife Kristen, and good friends/musical colleagues Mark Weakland, Beth Good, and Doug Wilkin, have joined forces in a new and exciting a cappella vocal quintet White Noise, whose recent appearances include, the Cambria County Women's Help Center "Extravaganza", a holiday concert with the Johnstown Symphony Orchestra, and a brief program hosted by the Knights of Columbus.

He has also enjoyed contributing to evolving projects such as The Family Arts Theatre, an organization which creates and performs children's programs, with a strong bent on original music.  It is the brain child of co-founders Paula Purnell and Bruce Adamson.  Their first album, It's Halloween, won the 1997 Parent's
Choice Gold Award.  In 1998 they co-wrote and produced their second album, Pajama Jammin' , with fellow songwriter/musician, Mark Weakland. Pajama Jammin' was awarded 1998 Parent's Choice Silver Honors.  Nathan also performed on Paula Purnell's solo recording, "Near."

Some of his most notable moments in western PA include tenor soloist in the Johnstown Symphony Orchestra's performance of Mozart's "Requiem." Also vocally, he has performed in featured recitals. He was also featured perfoming a double bass concerto with JSO in the 1997-98 season.

On August 29, 1998, Nathan and wife, Kristen celebrated the birth of their first child, Ross Charles Santos.  And on November 22, 1999, was born Ariana Lorena Santos.