Briel, a Maryland Distinguished Scholar in Drama, studied theatre at the University of Maryland.  Now a freelance theatre professional, she has performed in theatres from DC to the UK and become a member of AEA, SAG and AFTRA; the Actors' Equity Association, the Screen Actors' Guild and the American Federation of Television and Radio Artists.

This theatre pro can also be found behind the scenes designing and building costumes and props. Briel arranged music for the ukulele to William Shakespeare's lyrics from Twelfth Night for Holy City Shakespeare in Charleston, South Carolina.  

She played Dora Parkoe in Olney Theatre Center's potboiler, Night Must Fall, by Emlyn Williams, directed by John Going on the New Mainstage with Kathleen Akerley, Julie-Ann Elliot, Tim Getman, Paul Morella, Rosemary Prinz, Carl Randolph, and Anne Stone. Briel had the honor of playing Laura Wingfield in Jim Petosa's production of The Glass Menagerie at Olney Theatre Center with Paula Langton, Michael Kaye, and Jeffries Thaiss.  She made her debut at the Folger Theatre as Hermia in A Midsumer Night's Dream. The classic comedy was directed by Joe Banno with Assistant Director Holly Twyford, starring Kate Eastwood Norris in her Helen Hayes award winning performance as Puck.  The cast also included: Bob Barr, Stephanie Burden, Ralph Cosham, Megan Dominy, Catherine Flye, Tim Getman, Deborah Hazlett, Annie Houston, Jan Knightley, Marcus Kyd, John Lescault, David Marks, Roxi-Trapp Dukes and Rachel Zampelli.

Other theatre credits include: Ellen Cratchit/Belle in A Christmas Carol and Vera Claythorne in Ten Little Indians, at the Cumberland Theatre, directed by Gary Goodson, Leah in Leftovers, an entry by Catalyst Theater Company in the 5th Annual Page to Stage Festival at the Kennedy Center, directed by Merry Alderman, understudy for the Helen Hayes Nominated World Premiere of columbinus, a play written by the United States Theatre Project, directed by P.J. Paparelli at Round House Theatre, Belle in A Christmas Carol: Ghost Story of Christmas at Ford's Theatre, directed by Matt August, Phebe in As You Like It with the Virginia Shakespeare Company, Ela in Charley's Aunt at Olney Theatre Center, directed by John Going, Laura in The Glass Menagerie at the University of Maryland, directed by Jim Petosa, Rosaline in the classical workshop production of Love's Labor's Lost at The Shakespeare Theatre, directed by Philip Goodwin and Jennie Mae in an overseas production of The Diviners at Northbrook College, in Sussex, United Kingdom. 

She is also a member of the Screen Actors' Guild and the American Federation of Television and Radio Artists, with credits in Industrial Film, Commercial, Public Service Announcement and Radio Voiceover for clients including: The United Way, National Association of Homebuilders, ATA Highway Watch, API, Archstone Apartments, Lupus Foundation of America, Fulton Financial Corporation, Next Day Blinds, Widemeyer Communications and Geico.