Meet Our Board of Directors


Mary Bradley

Mary Bradley is the Director of Membership, Visitor and Volunteer Services at Denver Botanic Gardens. A lifelong Denverite, Mary has worked in the non-profit cultural community for over 20 years and thrives on collaboration and communication. Mary joined the Spark Board of Directors to #SparkConnections!

Manda Dinkel

Manda is currently Managing Director and Shareholder at CBIZ & MHM Colorado attest practice.  She has over 20 years of public accounting experience working in a wide variety of sectors, specifically nonprofit entities (including Uniform Guidance).  She has a passion for giving back to her community through volunteering and offering her expertise in the financial area, resulting in several board positions on several nonprofit entities as well as finance advisory committees. Manda joined the Spark board to #SparkIMPACT in the community.

Jamie Jackson

Jamie is the Chief Operating Officer for the Colorado Children’s Campaign. Jamie has worked in a diverse array of leadership and management roles spanning public, private, and nonprofit sectors – as a strategic business consultant, an operations director, a regional and area manager, and program administrator.

Much of her previous work has focused on restorative justice – both through advocacy and the direct provision of the support tools needed to reduce re-offenses. Jamie joined the Spark Board of Directors to #SparkACTION!


Gretta Kuebert


Gretta is currently completing a marketing and integration consultancy position following the sale of a business she helped guide and position for sale. Her career path has served a variety of industries and leadership roles including 7 years in the entertainment industry as a music marketing executive, followed by a complex sales position working with small business owners on strategic HR solutions, and in 2017 became the Director of Marketing for a packaging company where she spearheaded and managed restructuring initiatives and a rebranding campaign leading to the sale of the company. 

Though her career has taken many turns her constant passion has always been building and serving her community as a volunteer and leader. 

Gretta lives in the mountains of Eagle, Colorado and joined the Spark Board of Directors to #SparkCONNECTION throughout Colorado!


Jenn Lambert

Jenn Lambert is a Case Manager who works with Youth experiencing homelessness. She believes in loving hard and the strength of community to help and heal one another. Jenn joined the Spark the Change board to #SparkCOMMUNITY and to support others in finding purpose through volunteering


Dan Lamm

Dan is a Product Marketing Manager who specializes in taking start-ups from stage 0 to maturity. When he's not working on corporate messaging and positioning you can find him hiking in the mountains, volunteering for local soup kitchens, or reading in one of Denver's parks.

Dan joined Spark the Change to #SparkBELONGING. Dan has adventured around the world, and during his travels he relied on volunteer organizations to create a sense of belonging to new communities. As a relatively new member of the Colorado community, Dan hopes to encourage other transplants to find belonging through volunteerism.

Danielle Leighton

Danielle Leighton is a strategic business consultant at L5 Consulting and serial entrepreneur. She is an avid volunteer, community leader, and world traveler, currently writing a book about becoming an educated, connected, and active citizen of the world.

Danielle joined the Spark the Change board to #SparkIMPACT. At Spark, we pave the way for every Coloradan to get involved and make a positive impact in their communities. 


Megan Maes

Megan currently works at the Anschutz Family Foundation and brings her love of people and processes into her role as Grants Manager. She has spent the last decade working with people from all walks of life, merging her previous careers in operations, volunteer management, and service learning with her passion for the nonprofit sector. Megan joined the Spark Board of Directors to #SparkCONNECTION!

Roger Palmer


Roger Palmer currently serves as a Grant Management Specialist with the U.S. Department of Housing and Urban Development, Northern Plains Office of Native American Program (NPONAP) since September 2021. Before joining NPONAP, he served with the Corporation of National and Community Service as Senior Portfolio Specialist and as an AmeriCorps Member. While with AmeriCorps he spent time supporting Hurricane Katrina, Sandy, and Irma recovery. He has a degree in Communications from The University of Texas at Arlington. Roger grew up in Irving, TX. In his spare time, he enjoys gardening, traveling, and spending time with his family.

Jayme Ritchie


Jayme Ritchie leads Brownstein Hyatt Farber Schreck’s community relations program, where she focuses on corporate giving and building lasting and impactful relationships within the legal and nonprofit communities.

With her diverse legal background and as an active member in the nonprofit community, Jayme joined the Spark the Change board in 2021 to help #SparkCONNECTION!



Matt Smith


Matt leads 3MKJ Consulting, a consulting firm dedicated to supporting disruptive companies in the wastewater industry lead with purpose and values.  He has spent his career building leaders across different industries.

He and his wife Molly are both competitive endurance athletes and love being outside exploring, biking and running with Mason (4) and Madison (2).

Matt rejoined the Spark board in 2020 to #SparkINNOVATION in the non-profit community!


James Thacker


James Thacker, a Colorado native, is a senior performance consultant and coach, with more than 30 years experience working with individuals, teams and Senior Leaders (Corporate and Non-profit) throughout the US. 

Currently the Senior Manager of Training and Development for ibotta, James’ experience includes implementing learning strategies such as Crucial Conversations, Five Dysfunctions of a Team, Facilitation Essentials, and many other transformative learning solutions for leaders and teams. 

James devotes much of his off-hours to #SparkCHANGE with his most favored causes and local non-profit organizations (including Spark!).


Kirsten Vermulen

Kirsten Vermulen is the executive director of Black Fret Colorado. She is a nonprofit leader, music lover, maker and creative business owner with 20 years of professional and volunteer experience leading impact in Colorado.

Kirsten is excited to #SparkCOMMUNITY to solve critical challenges together through Spark the Change. 


Alexandra West

Alex is a builder of impact programs and processes with over 15 years of experience creating positive social, environmental, economic and community impact for and with the private sector, public sector and nonprofits. She is currently the community impact lead for Slalom, a global technology and business consulting firm. Alex joined the Spark the Change board to #SparkIMPACT and #SparkCONNECTION to help inspire a movement for good!

Suraya Yahaya

Suraya has worn many hats (attorney, business strategist, entrepreneur) and now runs her own fractional COO firm serving fast-growing small businesses across the country. She is a proud mom of 3 active children and is grateful to serve on and lead the Governance Committee at Spark. 

#SparkHOPE: Suraya is excited about the hope and impact Spark brings to lives across communities in Colorado.