dedicated folks who believe in youth and know the power of serving.
the pebble tossers board of directors
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Director of Sales – Google Cloud Business Solutions
A developer of leaders in the workforce, Brandy fits right in with the Pebble Tossers mission to empower youth to lead through service. She is a strong believer in volunteerism leading to good citizenship and strong character development. Brandy is the Director of Sales for Google Cloud Business Solutions.
Brandy’s bucket list item is to take a year off and live abroad with her family – soaking up a new culture, meeting new people, learning another language, and immersing in a new way of life.
Brandy Brock
Google -
Project Manager – NCR Corporation
Inspiration: Kindness and the opportunity to experience all that life has to offer!
Bucket List: To visit every national park. And a wish for my dog to be allowed to go everywhere with me!
Favorite Things: I love doing anything in the sunshine from hiking and running to just reading outside. And my dog, Charlie.
Emmie Berberick
NCR Corporation -
Jennifer McGowan Guynn
Founder -
Senior Director – The Moriah Group
What do you like to do in your free time?
Family, Travel and SportsBucket List?
Visiting pro sports stadiums across the country
Jonathan Leon, Ed.D.
The Moriah Group -
Senior New Business Development Executive – OneDigital
Inspired by: My parents’ 49-year marriage and still counting. Outside of my family, positive and optimistic people inspire me. People who are willing to work hard and have my back.
If you had one wish: It would be for people not to be ashamed by mental health and that more people would embrace therapy.
Family: Husband – James, 2 sons – Dutch + Pierce, Dog – Murphey.
Contact Kelly: boardpresident@pebbletossers.org
Kelly Weber
OneDigital -
Retired teacher, Orton Gillingham tutor, mom
Inspired by: Nature, children, travel, good friends, honest relationships, connectivity
In my free time: Exercise, reading, gardening, enjoying fine food/wine
Family: Wife of nearly 28 years, and a sweet, soulful 12 year old son.
Kris Manning
Sec., BOD
Orton Gillingham tutor -
Founder/Sommelier – Cinagro Wine Experience
Samara is a Certified Sommelier and received her certification in 1999. You can often find Samara sipping on a Pet Nat, Red Burgundy, Muscadet or a Brunello.
She lives in Atlanta (by way of NYC and Southern California) with her husband and two children.
Samara Kaufman
Cinagro Wine Experience -
Director – Bennett Thrasher
What do you like to do in your free time?
I enjoy spending time with my wife and daughter on walks in the neighborhood or the playground, the pool, the aquarium or the zoo, while also finding time to golf, fish or watch UGA football with family and friends.
Spencer Rees
Bennett Thrasher CPA
Jon Gosse
Executive Director
Jon brings a deep passion for youth development and community engagement. With a career dedicated to creating opportunities for young people, Jon previously served as Director of Development for Soccer in the Streets, working to expand access to soccer for underserved youth. Before that, he spent over a decade as Executive Director of the Oracabessa Foundation in Jamaica, leading initiatives to help young people thrive.
Jon is inspired by Pebble Tossers’ mission to empower youth through service, fostering connection, purpose, and meaningful change. As he leads the organization into its next chapter, he looks forward to strengthening its impact across Metro Atlanta and beyond.
pebble tossers advisory council
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Inspired by: My faith and belief that all things are possible through Christ and learning something new from challenges or obstacles
Bucket list: Live to be 100; build a youth & elder daycare
Family: Husband Todd, daughter Olivia, son Zach & daughter-in-law Alana and granddaughters, Nell and Jovie.
Amy Merry
Amazon Web Services -
I am inspired by people that are authentic, think of others and want to make a difference – no matter how small.
I love to be outdoors whether running, walking, skiing or hiking.
Family: My husband, Dan and 3 amazing sons.
Dara Redler
H&R Block -
Dorian Usherwood
Synchrony -
Inspired by: Making people smile
Bucket list: Run with the bulls
Family: 4 handsome boys and 1 beautiful bride
Jeff Black
Stealth Partner Group -
Jeni Stephens
Co-Founder -
Juan Sanchez
Federal Reserve Bank of Altanta -
Karyn Greer
WSB-TV -
Inspired by: My family
Bucket list: Run a full marathon
Family: Blended family with 5 amazing girls – Zoe, Sofia, Harper, Jada and Ashley
Leslie Graham
OrthoAlliance -
Inspired by: Making a difference in the lives of others and teaching my children the value of such work.
Bucket list: To go skydiving
Family: Married with four kids, Anna Kate, Campbell, Jordan, and Jamie.
Mary Ulmer-Jones
Bank of America -
Inspired by: My daughter. Every day.
Bucket list: Go on a cross-country US road trip with my family
Family: Husband, Doug, and our daughter, Arielle. We have three awesome cats.
Rebecca L. Sandberg
High Meadows School
Every volunteer makes a difference , and your contributions have done so much to make Big Trees shine.
pebble tossers staff + service leaders
We are so thankful for our amazing staff and trained service leaders who ensure that each and every service project goes great.
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Alysha’s jam is creating inspiring, meaningful programs that develop youth into lifelong volunteers and engaged citizens.
Alysha Alimohamed, LMSW
Program Manager -
Coleen Rosenberg
Service Leader -
Passionate about youth development, Earline runs our Teen Leadership Program.
Earline Johnson
Youth Development Coordinator -
Eric, our webmaster/guru, keeps us wired and connected to bring you what you need when you need it.
Eric Greenwald
Technology + Brand Manager -
Get social with us! Julia’s got the details and handles all our volunteer questions.
Julia Dao
Community Engagement Coordinator -
Marketing Communications – Siemens
What do you like to do in your free time?
Work out, hang with friends, cook, and travelBucket List:
Travel to Spain and Italy
Keirsten Henderson
Service Leader -
Tiearra Comer
Bookkeeper & Finance Manager
get involved and make a ripple
We love our team and couldn’t make it without you! Here are the best ways to get involved.
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Join in the fun and experience the joy of serving. Annual memberships are $159/Family and $50/Individual.
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Book us to speak or advise about youth service, volunteerism, philanthropy or let us help you plan a project.
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Support our mission and expand our influence through a donation or sponsorship. Help us start a ripple of giving.
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A wealth of service-learning resources, including workshops, toolkits, HowTo sheets, and other resources are being updated regularly.