Board of Directors
David Rickabaugh – President
David Rickabaugh, MScCoachPsych, is an executive coach and founder of Leading with ADHD (www.leadingwithadhd.com), a coaching practice dedicated to helping adult leaders and professionals with ADHD identify and leverage their unique superpowers – and manage their challenges – so that they can achieve the personal satisfaction and professional success they desire. David is experienced leader with 30 years of business experience, and he was diagnosed with ADHD himself in his 50s. He leverages his education in coaching psychology to work with clients using a positive, strengths-based and evidence-based approach. David holds an MSc in Coaching Psychology from the University of Sydney.
"As Website and Technology chair, my goal is to continue to develop and maintain a website and other technology to support the ACO Vision, Mission, and Values and to meet the needs of our membership and those members of the public searching for an ADHD coach." - David Rickabaugh
Learn more about David Rickabaugh at www.leadingwithadhd.com.
Adela Baker – Vice President
Adela Baker, PCAC is the founder of Mind Coach, LLC and has been coaching since 2016, bringing nearly a decade of experience to her practice serving Turbo Thinkers© globally from her base in New Orleans. As Vice President of the ADHD Coaches Organization (ACO), Adela brings four years of dedicated service to the organization, including her leadership role in Communications and Strategic Partnerships, where she has contributed significantly to ACO's growth and visibility. Her extensive leadership experience includes successfully managing a team of 10 coaches and developing impactful group coaching programs and workshops. Fluent in five languages with rigorous training in neuroscience and psychology, Adela serves as a PAAC mentor and sponsor, combining her veteran expertise with a passion for elevating the coaching profession and building community within the field.
Katherine Jahnke – Secretary
Katherine’s coach training started with Coaches Training Institute (CTI) in 2008 and then she sharpened her education as an ADHD coach with advanced ADHD coach training at ADD Coaching Academy in 2014. She has also trained with Jodi Sleeper-Triplett on “Coaching Teens and College Students” in 2011 and Group Coaching training with Laurie Dupar in 2015. She has completed 400+ hours in CCEUs in ADHD coaching.
Katherine has been a member of the International ADHD Coaches Organization (ACO) since 2006 and served on the ACO Board from 2008 to 2016. She was also the Co-Chairman of the International ACO conference in Phoenix Arizona 2014.
Katherine’s other interests include starting and running the first CHADD support groups for both parents of children with ADHD and Adults with ADHD. She also served as a Parent Partner Advocate and a Certified Parent to Parent trainer in 2005.
Katherine has previous working experience in fundraising businesses such as the 12th Man Foundation and the St. Joseph foundation as well as time working in the Petroleum industry. She attended Southwest Texas State University and received an associate degree from North Harris County College. She is still an avid learner and takes courses at the local community college.
“I’m so very excited and privileged once again to be serving on the ACO Board. The Marketing group has been such a dynamic part of the mission of the ACO and my goal as Marketing Chair is to continue their great work in promoting our fabulous organization.” --Katherine Jahnke
Learn more about Katherine Jahnke at: https://www.centerforlivingwellwithadhd.org/
Peter Gross – Treasurer
Peter Gross is an ADHD Coach working with adults in mid-life. After a diagnosis at 48 years old and a subsequent mid-life crisis, made harder by ADHD, Peter’s career focus shifted to include ADHD coaching. He passionately believes that anyone with ADHD can change their lives - if they learn about ADHD and their own version of it, and are provided with a safe space to be curious, to experiment and to find solutions that work for them.
Peter was certified in coaching by the NeuroLeadership Institute’s Brain-Based Coaching program in 2020, completed a CoachApproach course on coaching adults with ADHD in 2021, and is pursuing advanced certification in ADHD coaching with ADDCA. In addition to coaching, Peter brings more than 30 years of experience working in and for nonprofit organizations across all areas of nonprofit operations, technology, fundraising, membership, and many others.
“ACO is an incredible organization and I am honored to be a part of the Board. My goal, as Treasurer, is to bring my nonprofit management and ADHD experience to support the staff and board in strengthening and growing the organization.” –Peter Gross
Learn more about Peter Gross at http://peterjgross.com
Lisa Alecci – At-Large Board Member
Lisa Alecci, CALC, ACC, is a certified ADHD coach. She is also credentialed by the International Coach Federation. As the Founder and Owner of ADHD Freedom, LLC (www.adhdfreedom.com), she has been coaching for five years and has empowered hundreds of smart, passionate professionals to develop creative ways to manage their ADHD successfully and lead confident, productive, and happy lives.A seasoned professional, Lisa held positions at every level in the corporate healthcare world, from the front line to the C-Suite, for over three decades before opening her own coaching practice. She has been a dedicated member of the ADHD Coaching Organization for over four years. Lisa now serves as the Chair of the Coaching Enrichment Committee, where she combines her business acumen with her coaching experience to provide valuable professional development webinars for the ACO coaching community.
Lisa is honored to be on the Board of Directors of the ACO. She dedicates herself to its mission of supporting high professional and ethical standards for the coaching profession, helping to raise the visibility of ADHD coaches throughout the world, and providing up-to-date resources to its members.
A Colorado native, Lisa bases her business out of Denver, where she enjoys hiking and camping in the Rocky Mountains. She is married and the mother of three strong young women, who are her pride and joy.
Lauren Gladstone – At-Large Board Member
Lauren is an ADHD and Parent Coach who focuses on helping clients create calm and manage the chaos. She helps clients gain control and balance for themselves, their child, and their family. Regardless of the number of family members with ADHD, everyone in the household is impacted. She helps clients learn about their uniquely wired ADHD brain and develop specific strategies to create an environment for success and harmony.
For the past twenty-five years, Lauren has been an advocate and educator for her daughter who struggles with ADHD and Executive Function challenges. She learned to navigate the health and school systems and understands the joy and challenges of parenting a neuro-diverse child. Through patience and persistence, she helped her daughter achieve great success and independence. This experience motivated Lauren to become an ADHD coach. It is her wish to impart that wisdom to other parents who are struggling with their children or themselves and to support them in their journey.
Lauren received a BA from Boston University and a MPA in Health Policy and Management from New York University. Lauren has coaching certificates from the Co-Active Training Institute, Advanced Certification from ADDCA (ADD Coaching Academy) and the ADHD Parent Coach Academy. She also received her PCC from the International Coaching Federation in 2023.
When not coaching Lauren enjoys spending time with her family, playing tennis & pickleball, travelling or under the sea scuba diving.
Learn more about Lauren at www.uniquelywired.me
Sudhita Kasturi – Diversity, Equity and Inclusion Chair
Sudhita Kasturi has been an entrepreneur, program manager, and educator, and is now a Certified ADHD coach. As the founder and owner of Leverage Your ADHD, Sudhita uses a strength-based approach to partner with her clients to navigate the challenges of ADHD and leverage its positive attributes to design a happy and fulfilling life.
Sudhita received her title as a Certified ADHD Life Coach from the International ADHD Coach Training Center and has since dedicated herself to ADHD awareness. Her passion for ADHD coaching has also led to various speaking engagements and volunteer positions within the community, including involvement with the ACO. She also serves as one of the facilitators for the Attention Deficit Disorder Association’s (ADDA) South Asians + ADHD Virtual Peer Support Group. As Diversity, Equity, and Inclusion Chair, she hopes to raise greater awareness of ADHD coaching as a representative of the South Asian community.
Jill Linkoff – Volunteer Chair
Jill Linkoff is a respected Professional Certified Coach, and Parent Coach/Teacher Trainer, specializing in working with professionals, entrepreneurs, college students, and parents with ADHD and executive dysfunction. Extensive and ongoing educational training cultivates Jill's expertise as an ADHD/Executive Function Coach. She integrates current research to explain the complexities of ADHD and executive function challenges in simple language clients will understand.
Jill combines the International Coach Federation core competencies with 23-years of account management experience with Kimberly-Clark Corporation, creating a professional, supportive, non-judgmental coaching environment. Whether coaching one-on-one with a client or teaching a parenting class, each session is strategically designed to excel clients towards successful and sustainable results.
Learn more about Jill Linkoff at: http://www.jilllinkoffcoaching.com/
Seta Marangoudakis – At-Large Board Member
Seta Marangoudakis is an experienced ADHD Life Coach and the proprietor of ADHDSeta. She enables clients to remove barriers so that they can be their authentic selves at home, work, and school. She challenges her clients to consider a world that accommodates people with ADHD rather than focusing on how a person with ADHD fits in a neurotypical world.
Seta has an extensive background in ADHD and Human Resources, and she brings this expertise and her humor into her coaching. She is non-judgmental and loves to discuss all aspects of ADHD. Her specialties include ADHD life coaching, ADHD education, and overall executive functioning.
Seta is certified by the International ADHD Coach Training Center, is an Associate Certified Coach by the International Coaching Federation, and a Certified Brain Health Professional through Amen Clinics, Inc. She holds degrees in Human Resource Development and Criminal Justice. Since 2021, Seta has been a member of the ADHD Coaches Organization (ACO) and is honored to join the ACO’s Board of Directors.
Seta resides in the State of Connecticut with her husband Peter, two daughters, and a mini-Bernedoodle named Archie.
Kristine Shiverick – Programs Chair
Kristine Shiverick, M.Ed., ACG, CACP, received her undergraduate degree in Special Education from Simmons College and her M.Ed., from George Mason University. Kristine believes that every person has the ability to succeed and achieve the life they want to live. She is passionate about helping her clients understand their uniquely wired brains and focus on the areas of their lives where they would like to make changes. Kristine helps her clients to see possibilities more clearly, as they learn to create their own recipe for success. Kristine coaches students, parents and adults using a strengths based approach.
Kristine received her Basic, Advanced, and Family ADHD Coach Training through the ADD Coach Academy. She has received her Certified ADHD Coach Practitioner (CACP) certification through the Professional Association of ADHD Coaches.
“My goal as Programs Chair is to provide on-going learning opportunities and continue to develop a learning community for ACO members to grow both personally and professionally. It is my hope that the programs that ACO offers will help support all of our members, regardless of coaching experience. It is my belief that together we are stronger.” – Kristine Shiverick
Learn more about Kristine Shiverick at www.ableadhdcoaching.com
Brittany Smith – Marketing Chair
Brittany is an experienced Productivity, ADHD, and Technology Coach. Her primary mission is to help people work better, with a very practical, boots-on-the-ground style of ADHD coaching.
Since the start of 2015 she has been helping people identify *why* stuff isn't getting done, what to do about it, and start taking individualized, realistic actions to get those things done, keeping their individual ADHD in mind. Brittany has a Masters Degree in Cognitive Neuroscience, and a special interest in cognitive subjects like working memory, intelligence, and attention failures. Brittany specializes in technology and is passionate about the intersection of our brains and Technology. Although she is Apple first, Brittany is pretty good at picking up most systems and programs.
Brittany is also cofounder of The ADHD Guild, a community of nerdy folks with ADHD trying to get more done and work with our brains better. The ADHD Guild includes Discord chat for support, accountability, shared resources and community, Coworking (body doubling), ADHD Education, and an option for ADHD group coaching with a spectacularly warm group of folks with ADHD!
In addition to coaching, Brittany loves speaking and creating videos and courses about ADHD, practical iPhone use guides, and other things that strike her fancy.
Faelyne Templer – At-Large Board Member
Faelyne Templer, MPsych, PCC, BCC, is an ICF and Board-Certified coach with a Master’s Degree in Industrial/Organizational Psychology. She completed her ADHD coach training through MentorCoach with Dr. Alan Graham.
As the principal of Path & Purpose Coaching, Faelyne leverages her extensive understanding of ADHD and her decades-long experience in professional development to collaboratively identify client strengths, align goals with values, and facilitate positive change. She excels in supporting clients to develop neuro-inclusive leadership and support their career growth. Faelyne's twenty years+ of senior leadership, human resources, and governance experience in both private and voluntary sector organizations enhance her executive coaching capabilities, particularly for leaders seeking to cultivate inclusive, diverse, and high-performing teams.
"As the parent of a neurodivergent young adult, I have seen how authentic and skilled ADHD coaching can have a transformative and positive impact on people's lives. ACO is an important pillar in the ADHD coaching community, and I am honoured to serve on its Board of Directors."
Learn more about Faelyne at www.faelyne.com
Claire Twomey – At-Large Board Member
Claire Twomey is a multi-award-winning founder, Professional ADHD Coach, International Speaker, Trainer, & Facilitator. Her own coaching practice, ADHD Connections, was founded in 2020, following her own diagnosis in 2015 and a transformative experience with coaching. She began her coach training in 2019 and is now Ireland's only ADHD Coach with four industry-recognised accreditations.
Currently, her work focuses on professionals and organisations in developing and promoting neuro-affirming practices for supporting ADHD in the workplace through advocacy, education, and inclusion.
In January 2025, she founded Ireland’s first dedicated ADHD coaching platform, offering coaching for individuals of all ages. This unique hub also provides a community space, workshops, and a wealth of resources. It also includes an access programme providing funded coaching spaces for individuals facing financial challenges.
Claire is highly passionate about coaching and believes it is a vital modality for ADHDers in terms of reducing challenges and reaching their potential. She is an advocate for ethical coaching and developed Divergent Nexus to support those exploring coaching as a support tool on their journey to defining their profile and following their own rules. She is incredibly honoured to join the ACO board and is ready to work hard towards achieving its values, vision and mission.
To learn more about Claire's work please visit http://adhdconnections.ie/ & http://divergentnexus.ie/