Our Guides

Every DC Baltimore Tours guide brings a unique combination of professional expertise, local knowledge, and enthusiasm for sharing the Mid-Atlantic with our guests. Rather than following a script, our guides tailor each experience to the interests, pace, and curiosity of every group. Together, our team offers expertise in history, architecture, geology, art, transportation, military history, African American history, and regional culture.

Terry

Terry Cordaro is the founder and lead guide of DC Baltimore Tours. She specializes in helping travelers understand not only what they are seeing, but why it matters.

Born in Dallas, Texas, and raised in Northern Virginia, Terry developed an early fascination with rocks, landscapes, and the stories places tell. She studied Tourism Management at Clemson University and later pursued studies in geology and European heritage in England. Her work explores the connections between geology, history, architecture, transportation, art, and culture throughout the Mid-Atlantic region.

Terry began guiding at The Washington National Cathedral in 1996 and remains a certified guide there. She is a member of the Guild of Professional Tour Guides
of Washington, D.C. She holds Certified Tourism Ambassador designations for Baltimore and Virginia’s Dulles and Wine Country region, reflecting her interest in helping visitors experience the Mid-Atlantic beyond its famous Washington, D.C., monuments.

From walking the streets of Washington and Baltimore to tracing the events of Gettysburg, visiting Mount Vernon, or standing before a Renaissance masterpiece, Terry helps guests discover the connections that transform isolated facts into meaningful stories and familiar places into unforgettable experiences.

She looks forward to helping you discover the remarkable stories these places have to tell.

Dion

Meet Dion, better known as 13 The Prime Time Tour Guide. A proud Washington, D.C. native, Dion has been sharing the stories of the nation’s capital with visitors since 2016. His guiding career began with hop-on, hop-off sightseeing tours with Big Bus and DC Trails before expanding into private and public tours with USA Guided Tours. With a passion for history, storytelling, and local culture, Dion specializes in bringing Washington’s landmarks, monuments, and historic neighborhoods to life. His tours go beyond dates and facts, connecting guests to the people, events, and hidden stories that shaped the city and the nation. Whether exploring the National Mall, downtown Washington, or lesser-known corners of the capital, Dion combines local knowledge, engaging storytelling, and years of professional experience to create memorable experiences for visitors from around the world. For Dion, every tour is an opportunity to help guests see Washington, D.C. not just as a destination, but as a living story waiting to be discovered. Join Dion on his tour The Missing Conspirator: A Lincoln Assassination Walking Experience.

Evan

Evan O’Neal is a tour guide based in the Washington, DC area. Born and raised in Arlington, Evan has been a tour guide for over 4 years after getting his start in the industry as a professional driver back in 2016. With a passion for history, music, and story-telling, DC is the perfect place for Evan to work his magic and spread his knowledge. Aside from the National Mall, you can find him at the US Capitol, Arlington National Cemetery, Mt. Vernon, Georgetown, or any of the museums downtown. As of 2026, Evan is a member of the Guild of Professional Tour Guides of Washington D.C.

Lori

Lori is a Northern Virginia native with degrees in education from George Mason University and James Madison University. After a distinguished career teaching in Arlington Public Schools, she transitioned into guiding, bringing her deep knowledge of history and natural ability as an educator to a wider audience.

She completed the rigorous training program offered by the Guide Service of Washington and has led hundreds of tours for guests of all ages. Lori is a member of the Guild of Tour Guides of Washington and a certified guide at Washington National Cathedral.

Lori brings a calm, thoughtful presence to her work, combining clarity, warmth, and a strong sense of place. Her tours are both engaging and well-paced, shaped by years of experience working with diverse groups.

When she’s not guiding, Lori enjoys traveling, exploring new restaurants, reading, gardening, and spending time in the woods with her two beloved dogs—who would no doubt approve of our dog-friendly tours.

A dedicated sports fan, Lori supports Washington, DC teams—especially the Commanders—and remains closely connected to her alma mater, James Madison University, where she attends football games whenever she can.

Favorite Places

Lori finds the interiors of the Library of Congress and Washington National Cathedral to be especially beautiful, and she enjoys sharing these spaces with guests. She also appreciates the grandeur of the U.S. Capitol and the quiet charm of the Bartholdi Fountain, particularly when the gardens are in bloom.

Arlington National Cemetery is a place she finds deeply meaningful, reflecting so much of the American story. She also values time at Mount Vernon, where each visit offers insight into George Washington’s life and enduring connection to his home.