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Tarrell Kullaway

Executive Director

Tarrell leads MCBC’s team of active transportation professionals and guides the organization as it grows and continues to make Marin a safe and accessible place to ride a bike.

Tarrell comes to MCBC with 25 years of non-profit experience, including seven spent as Senior Director of Development for Cascade Bicycle Club, the nation’s largest statewide bicycle organization. While at Cascade, she grew total annual fundraising income by over 500 percent, enabling the construction of a new headquarters and community gathering space, as well as a “bicycle playground” for inner city youth.

Tarrell holds a BA in Communications from Lewis & Clark College and several advanced certificates in fundraising and non-profit development, including as a Certified Fundraising Executive (CFRE). 

Gwen Froh

Education & Encouragement Director

Gwen joined Safe Routes to Schools in 2008. Promoted to Director in 2015, Gwen leads SR2S’s education and encouragement programs toward making active transportation safe and accessible for all Marin children.

Her accomplishments include developing one of the first Safe Routes to Schools Teen Programs in the country. In 2016, she received the Community Partnership Award from the Marin School of Environmental Leadership in recognition of her innovative work with students.

Gwen’s dedication is inspired by her passion for outstanding health. She believes that exercise is key to physical and academic success, and that it is a right, not a privilege. Gwen is often seen riding from MCBC’s Fairfax office to schools throughout Marin, or on her mountain bike where nature invigorates her creativity for working with children.

Prior to joining MCBC, Gwen served as the Chairperson and Business Manager for the Ross Valley School District’s YES Theater Program, and Co-Chaired Manor School’s Winter Faire, directing volunteers to raise over $100,000 for programs that benefit children. Gwen earned a Bachelor’s in Biology from Mount Holyoke College in Massachusetts. 

Lynn Liscio

Communications Development Manager

Lynn joined MCBC in 2020. As the Communications & Development Manager, Lynn is responsible for getting the messages you read across MCBC’s website, social media, and E-News out to you, while also assisting with fundraising efforts. She also helps oversee the day to day operations of MCBC. Contact Lynn for membership related questions.

Lynn is an avid bike rider who has traveled all over the world to ride her bike. Prior to joining MCBC, Lynn lived in Italy and led cycling tours around the region. She loves exploring new roads and trails on her bike and can be frequently found riding around Marin County. She is fluent in Italian and French and can share with you the best places to ride in Europe and North America.

Lynn holds a Master’s Degree in Environmental Studies from York University in Toronto and a Bachelor’s Degree in Environmental Science from the University of Guelph, in Guelph, Ontario.

Cooper Miley

Volunteer Coordinator, Safe Routes to Schools

Cooper joined MCBC in the summer of 2021 as the Volunteer Coordinator for Safe Routes to Schools. Cooper is passionate about building community with parents, students, and educators in Marin County.

In his day-to-day activities, Cooper will be working with volunteers on developing and delivering programs and events for 1st-5th grade students, focused on the importance of active transportation, traffic reduction, bicycle safety, and a healthy environment. Additionally, Cooper will be assisting with MCBC programs designed to outreach to the broader community with an aim towards Family Biking, Basic Street Skills, Cory’s Ride, and events like Ride With Us.

Cooper is an avid cyclist and lover of all things two wheels. In his free time, he can be found riding his road or mountain bike on the myriad of great roads and trails throughout the county. Prior to SR2S/MCBC, Cooper worked for Backroads selling cycling and hiking adventure trips. He is also an active coach with the National Interscholastic Cycling Association (NICA) and spends time coaching and mentoring high school athletes. Cooper holds a BA in Business Administration from the University of Baltimore. 

Peggy Clark

Program Manager, Safe Routes to Schools

Peggy joined the Safe Routes to Schools/MCBC team in 2007. As Program Manager, she coordinates bike and pedestrian safety education for elementary, middle and high school students in over 50 schools throughout Marin.

After facilitating corporate team building events and experiential high ropes courses for 10 years, Peggy discovered her passion for cycling. Her entire family cycles for both fun and function - commuting, running errands and exploring Marin County trails.

As Peggy likes to proclaim, “I don’t ride bikes to add days to my life, I ride to add life to my days!”

Monica Leifer,

Bilingual Volunteer Coordinator, Safe Routes to Schools

Monica came aboard in 2014 as the Safe Routes to Schools Bilingual Coordinator. She promotes Safe Routes at schools with large Hispanic student bodies. Through events and competitions, Monica pursues the goal of steadily increasing the number of walkers, bikers and carpools in Marin’s bilingual schools.

Biking is an important weekend activity for the Leifer family. Monica and her family frequently ride to Phoenix Lake. Monica’s bike is also her primary mode of transportation to the Larkspur Ferry Terminal and the Downtown San Rafael SMART Station.

Prior to her job with Safe Routes, Monica was Assistant Director of Media Relations at the University of San Francisco. Previously, she worked as a television reporter for the Colombian national news, as the Press Secretary to the Minister of Finance of Colombia, and as a Sales/Marketing Manager at Latin Finance Magazine in Miami, Florida. Monica holds a Bachelor's Degree in Communication Studies and Journalism from the Pontificia Universidad Javeriana in Bogota.