Brenda Frachiseur

Chief Executive Officer

Brenda Frachiseur joined the Big Brothers Big Sisters of Northern Sierra team as Chief Executive Officer in 2013. She is a graduate of the University of Arkansas – Fayetteville, with a Bachelor’s Degree in Business. Brenda has served the non-profit community for over 30 years. As CEO, she is proud to lead a team of dedicated professionals, whose passion and commitment to the children of El Dorado County is undeniable. Brenda is a member of the Kiwanis Club of Placerville. She and her husband Mark are residents of Placerville and together they share the love and joy of five sons and 15 grandchildren.

Fun Fact: Brenda was once interviewed by Oprah Winfry!

Heather Hamilton

Enrollment Manager

Heather is thrilled to join BBBSNS and looks forward to giving back to the community in which she was raised.  After graduating Heald College and traveling the U.S. for 17 years, Heather returned to El Dorado County to raise her twin sons. During this time, she volunteered in the schools for 12 years while also teaching and coaching kids in the art of Taekwondo. Heather is hoping to lend encouragement to children to believe in themselves and always dream big!

Fun Fact: Heather is a second degree black belt in Taekwondo!

Amy Rosemeyer

Finance Manager 

Amy (and Hazel) joined the BBBS team in August of 2022 as the new Financial Manager. She graduated with honors from Heald College with a Business and Accounting degree. She moved to the Placerville area 15 years ago with her husband and three daughters. Amy enjoys traveling cross country, camping and being with her family. 

Fun Fact: Amy's favorite show is Judge Judy!

Rita Timewell

Office Manager, Part-Time

Rita Timewell joined BBBSNS as the Office Manager in August of 2018. After 19 years in corporate management, Rita fulfilled her dream of becoming a Bed & Breakfast Owner/Innkeeper in Placerville. During that time, Rita also volunteered with many organizations in El Dorado County. She retired after fourteen years of Innkeeping prior to joining the BBBSNS Team. Her passion for travel has led her to not only many states in the U.S., but to Mexico and several countries in Europe.  

Rita believes her personal qualities will benefit and support the Bigs and Littles of El Dorado, Placer and Nevada Counties.

Fun Fact: Very simply, Rita's love of travel is surpassed only by her love of cooking. She's had the opportunity to visit  Canada, Mexico, Denmark, France, Italy, and Spain and, not only enjoy the cuisine in each country, but also the art and culture!

Dina Gentry

Director of Development 

Dina Gentry joined Big Brothers Big Sisters of Northern Sierra in March 2025 as the Director of Development, bringing a strong background in communications, fundraising, and community engagement. She holds a bachelor’s degree in Public Relations from California State University, Sacramento, and a Master of Business Administration from the University of Phoenix.

With a passion for storytelling and mobilizing support for meaningful causes, Dina is dedicated to expanding the organization’s reach and impact. She has a deep appreciation for the beauty of El Dorado County and is committed to strengthening the local community. She actively serves through the Kiwanis Club of Placerville and Sierra Community Access Channel 2, contributing her expertise to programs that uplift and connect people.

Fun fact: When she’s not working to build brighter futures for local youth, Dina and her husband enjoy exploring the great outdoors in their Jeep Wrangler.

Alisa Meyers

Program Manager

Alisa joins BBBS with not only a passion for children but the children in her community. She received her A.A in Business from Pensacola State College, her B.S in Financial Management from National University and has recently enrolled at Sacramento City College to get a second associates in Occupational Therapy assistant. When she is not connecting with program participants she spends her days as a personal assistant, chauffeur, nutritionist, chef, therapist & tutor to her own 5 children. Alisa, her husband and their children recently moved onto a 4 acre property and are looking forward to getting some chickens and maybe some sheep! 

Fun Fact: Alisa has never lived anywhere longer than 5 years consecutively. She was a military dependent her whole life until a few years ago and moved back and forth from the East coast to the West Coast every 2-3 years. She has lived in 7 states total but California the most and the longest - 18 years total.

Teresa Salerno

Program Manager

Teresa Salerno recently joined the BBBS team as a Program Manager in the Placerville office. She graduated from California State University of Sacramento with a Bachelor’s in Psychology. Teresa has worked with children and individuals with disabilities throughout her career and believes in empowering all to be their best self. She has worked with many community agencies and enjoys connecting people with the valuable services and resources available in El Dorado County. Teresa and her husband have raised three positive and energetic children here and Teresa is excited to serve the community she grew up in.

Fun Fact: Teresa enjoys backpacking with her kids!

Michael Zavala

Program Manager

Fun Fact: Michael enjoys photography and digital art as his primary forms of creative expression. He is a proud Disney adult and tries to bring creativity, fun, and a touch of Disney magic to everything he does!

Stephanie Carlson

BBBSNS: President and Big Sister
Day Job: Senior Equity and Quality Specialist, Covered California
Fun Facts: "My littles all end the program bigger than me!"

Wendy Frederickson

BBBSNS: Board Member
Day Job: Deputy Superintendent, El Dorado County Office of Education
Fun Facts:  My husband and I love to travel around and explore the US in our little two-seat Lancair airplane, named Tenacity, with our backpacks!

Allan Telmo

BBBSNS: Board Member
Day Job: Audit Partner, KPMG
Fun Fact: "I have an addiction to travel… my wife and I have been to 49 countries.  Where should we go for the big 5-0?"

Christine Kellogg

BBBSNS: Board Member
Day Job: Apple, Legal Operations Leader, Executive Coach
Fun Facts: "I tend to randomly meet celebrities in unexpected places.  Throughout my life I've met actors, singers, politicians, national news correspondents, and more.  Jamie Foxx, Justin Timberlake, Jessica Simpson, and Eric Holder are just a few."

Sue Vandelinder

BBBSNS: Treasurer
Day Job: El Dorado Disposal
Fun Facts: "I survived a runaway horse escape by jumping off onto the side of a semi-truck."

Rob Bilo

BBBSNS: Vice President, Big Brother
Day Job: Nationwide Financial
Fun Facts: "I’m a lucky board member – I once won a Mercedes Benz in a raffle."

Cristina Nunez-Rodarte

BBBSNS: Board Member
Day Job: Stanford Sierra Youth & Families
Fun Fact: "I love to do arts and crafts in my free time. My work has been on display in two galleries and I am a commissioned artist for my embroidery work."

Lisa Rankin

BBBSNS: Board Member
Day Job: re:Visions
Fun Fact: "I was one of the first girls in my Middle School to take shop class. There were three of us, our parents had to go to the Board of Education to get approval.  I took welding, wood shop and mechanical drawing before I was 16 years old!"

Jeff Ashburn

BBBSNS: Board Member
Day Job: Probation Officer, El Dorado County
Fun Fact:  "Both of my parents met while working for Disney, so I am a true blood Disney Kid." 

Dainna McArthur

BBBSNS: Board Member
Day Job: Chief Financial Officer, Shingle Springs Band of Miwok Indians
Fun Fact:   

Kayla Mittelstaedt

BBBSNS: Board Member
Day Job: Owner, Toogood Estate Winery
Fun Fact: