ADH&A consultants offer decades of expertise across areas including capital campaigns, annual fundraising, strategic planning, executive leadership, facilities planning, search and recruitment, database design, finance, feasibility studies, and board development. Our team and our networks cross continents and industries.
As a team, we are committed to asking questions, generating creative solutions, supporting your goals, and helping you define what success means for you and your organization. We thrive on collaboration, equitable access, inquiry, and innovation.
Click on team member in the grid to view their bio and learn more about their story!
Meet Our Team
Elizabeth Bennett is an arts advocate who has worked in the fields of grantmaking, fundraising, public service, journalism, dramaturgy and education. At ADH&A, she assists with fundraising, research, and content creation.
She has worked as a fundraiser on staff at 92Y, Park Avenue Armory, and Columbia University School of the Arts. Freelance grant writing clients have included Freshkills Park Alliance, SDC Foundation, Martha’s Vineyard Museum, Rattlestick Playwrights Theatre, ART21, L.A. Theatre Works, Triad Stage, Colt Couer Theater and others.
From 2016-2021, Elizabeth led Staten Island Arts, the arts council for Richmond County in New York City. In addition to increasing the arts council’s grants available for local artists, she created new cross-sector initiatives to address social justice, racial equity, and disability, and intersect creative placemaking with small businesses. To make those activities possible, she raised an annual operating budget of $1.2-$1.7 million. This work built on her six years as Director of the Program Services Unit in the New York City Department of Cultural Affairs, where she was part of the team to distribute $31M in public funds to cultural organizations throughout the city.
As a dramaturg, she worked on staff at La Jolla Playhouse, Arena Stage, and other NYC and regional theaters. Her writing has been published in SDC Journal, Theater magazine, American Theatre, and, since 1988, the Vineyard Gazette.
Elizabeth holds an MFA from the Yale School of Drama and served as a class agent for the school.
Jason is a dedicated arts leader with a decade of experience building dynamic and impact-driven institutions. A Washington, DC native, Jason graduated from the University of Pennsylvania with a BA in English and Theater Studies, before moving to New York to train and work professionally as an actor. He appeared on many New York and regional stages including Theater for a New Audience and Hudson Valley Shakespeare Festival.
During his time in New York, Jason served as founding program director of the Black Arts Institute, an educational platform for artists to learn the techniques and traditions of the Black Arts Movement. He also led the Adler Youth acting conservatory for underserved New York teens, growing program retention by 85%. Jason was selected to the New York City Department of Cultural Affairs Create:NYC Leadership Accelerator program, and served as inaugural management fellow for The Black Seed, the first-ever national strategic planning initiative led by and serving the Black theater field.
Jason recently graduated from Yale University, where he received his MFA and MBA from the David Geffen School of Drama and School of Management. While at Yale, Jason was an executive fellow at Oregon Shakespeare Festival, and published a governance-focused case study on Portland Center Stage. Jason is a fellow of the Consortium for Graduate Study in Management, a recipient of the Dean's Scholarship Award, and of the George C. White Prize for excellence in theater management. Most recently, he led the historic Yale Cabaret theater as Executive Artistic Director, growing contributed revenue by 120% and bringing attendance to pre-pandemic sold-out capacity.
Epongue Ekille is a New York City-based violinist and environmentalist. As a baroque and modern violinist, she has toured domestically and internationally and regularly performs across the East Coast. Epongue specializes primarily in early and new music and champions the work of Black classical composers. She has toured with ensembles such as Juilliard415, the National Youth Orchestra of the United States, and the Harlem Symphony.
As an environmentalist, Epongue specializes in community equity and engagement with the climate crisis. She recently graduated from Yale College and the Yale School of the Environment with a Master's of Environmental Management specializing in Environmental Justice. Recent publications include Urban Living Labs: How to Enable Inclusive Transdisciplinary Research? (Urban Transformations) and Energy Justice and Health in a Changing Climate (Yale School of Public Health Center on Climate Change and Health). Her interests are in food and energy justice.
Founder & Principal
Since 2011, Andrew Hamingson has provided fundraising and strategic planning services to dozens of clients including Hudson Valley Shakespeare Festival, Classical Theatre of Harlem, Staten Island Arts, National Sawdust, The New Group, Naked Angels, Theatre Forward, The Civilians, Primary Stages Theater Company, and The Mahaiwe Performing Arts Center, among others.
In 2020, Andy served as Interim Executive Director for Second Stage Theatre. From 2012-2016, he was the first-ever Executive Director at St. Ann’s Warehouse and raised $31.5 million for the company’s relocation to the historic Tobacco Warehouse.
As Executive Director at The Public Theater, he oversaw all administrative and fiscal matters, managed the organization’s first-ever $35 million building campaign and renovation project, and supported the Public’s production of Hair, which went on to win the 2009 Tony Award for Best Revival of a Musical.
Andy served as Atlantic Theater Company’s Managing Director from 2004-2008, where he increased contributed income by 300% and began a $10 million capital campaign to renovate the Mainstage. During his tenure at Atlantic, its world premiere of the musical Spring Awakening transferred to Broadway and won eight Tony Awards.
He began his professional theater career at Manhattan Theatre Club, where he worked for 12 years. As Director of Development, he raised $40 million to renovate the historic Friedman Theater.
He is a Trustee of 59E59 Theatres, Dance Heginbotham, and Building for the Arts. Andy has been a Visiting Professor at the David Geffen School of Drama at Yale since 1995.
SOPHIA HINSHELWOOD GARNER
Sophia Garner is a fundraising and development strategist, who is passionately committed to supporting communities through the work of excellent nonprofit organizations. With a background in the arts, Sophia brings over 15 years of leadership, fundraising, grant writing, program development, management, capital campaign and strategic planning experience to her clients and organizations. Through her work, she has helped organizations secure millions of dollars from individual and institutional funders. She was the first Chief Development Officer at Camille A. Brown & Dancers; and has most recently served as the Interim Director of Development at the Vineyard Theatre and the Black Theatre Coalition. Prior, Sophia served as the Director of Development at COCA—Center of Creative Arts, a St. Louis-based multidisciplinary community arts organization, where she raised funds to support its $7M annual budget and helped launch a $50M capital campaign project to more than double its footprint. She has also worked in the development offices at Roundabout Theatre Company, New Dramatists, Brooklyn Arts Council, Gateway Arch Park Foundation, and Boston Arts Academy.
Sophia has an M.F.A. in Performing Arts Management from City University of New York (CUNY) —Brooklyn College (Graduate Dean’s List); a B.S. in Theatre and Communications from Northwestern University (Evanston, IL); and is a graduate of New World School of the Arts High School (Miami, FL). She is the military spouse to an Air Force musician and has two wonderful children, Ellington and Simone.
At ADH&A, Jasminn provides many of the daily administrative duties as well as being their secret weapon for in-depth client research.
Jasminn Johnson is also an actor and teaching artist based in New York City. Her recent acting credits include roles in King Lear at New York Classical Theater and Blues for An Alabama Sky at Keen Company. She has taught throughout New York City as the former Director of Education for Keen Company, and has coached for the National August Wilson Monologue Competition in which her student won first place at the 2020 New York City competition. She is currently a Teaching Fellow at The Juilliard School’s Drama Division.
Jasminn is a graduate of The Juilliard School’s Drama Division and received a BFA from the program.
Teresa weaves experience as a finance director in the design sector with a deep background in research and facility planning, arts administration, and service in the nonprofit sector.
For 10 years, she led the finance and operations team at Krupp Group, a NYC-based public relations agency, and she managed its expansion into Los Angeles. More recently, Teresa founded Assembly Arts to offer feasibility studies and business plans for arts facility development and has partnered with Victor Gotesman Performing Arts Planning on projects for the Denver Performing Arts Complex, The Music Center's Dorothy Chandler Pavilion in LA, and a new venue for Waco, TX, among others. Prior to working with VGPAP, she contributed on projects with Webb Management Services, including those in Madison, WI, Boulder, CO, and the renovation of Hancher Auditorium in Iowa. Teresa also contributed to research projects for Lord Cultural Resources and Fractured Atlas.
Teresa got her start in arts administration through her work at the National Coalition Against Censorship and Theatre Communications Group. She has served on several nonprofit boards.
Teresa holds a Master of Nonprofit Management from Regis University, a Bachelor of Theatre and Film from the University of Oregon, and a Certificate in Creative Placemaking from New England College. She is a member of the Association for Cultural Economics International and has presented research at its international conference.
Consultant & Chief Operating Officer
Sarah McLellan is a mission-oriented management and fundraising professional who prioritizes process, inclusion, and creativity to develop dynamic solutions for arts organizations. As a consulting partner, her approach is collaborative, discovery-oriented, values-based, and equity-focused.
Leadership positions include Director of Advancement for The Field, Executive Director of Ensemble Studio Theatre, Managing Director of Clubbed Thumb, and Assistant Administrative Director of the Juilliard Drama Division. She managed grant programs at Theater Communications Group, worked in education at the Manhattan Theater Club, and spent four years in artistic development at the Williamstown Theater Festival.
Sarah was selected for the 2017 NYFA Emerging Leaders Boot Camp and the 2018-2019 ART/NY Diversifying Our Organizations cohort. She was a member of the Fall 2020 cohort of Caribbean Cultural Center African Diaspora Institute’s Anti-Racism Leadership Series. Trainings include Undoing Racism & Community Organizing with the People’s Institute for Survival and Beyond, and the Society of Human Resources. She holds a BA from Sarah Lawrence College.
Sibabalwe Mona is a strategy consultant for enterprises that focus on the socio-economic development of Africa and its vast diaspora.
Her diverse experience with global clients includes business model development, creative communications strategy, project management, and event production. She merges creative prowess and academic scholarship to enable visionary impact ideas towards systemic change.
Past projects have included curating the communications strategy for education and community development non-profit Seeds of Africa, directing the New York African Restaurant Week Festival, and screenwriting all digital content for the Ethiopia Pavilion at the 2020 Dubai Expo for Zeleman.
Sibabalwe attended the University of Cape Town in South Africa and earned a BA in Film and Media Production and a BA with Honors in International Relations. She attended The New School in New York City, earning an MA in International Affairs and a MS in Nonprofit Management.
She was part of the inaugural class of The New School’s Impact Entrepreneurship Initiative Fellowship, where she incubated nuAfrica, a consultancy growing Africa’s share of global emerging economies through strategy, messaging, and resource mobilization services. She also co-founded Tropical Jawn, a cultural entrepreneurship venture connecting and celebrating New York's diverse Black diaspora through creative collaboration and event curation.
Jazelle Morriss is known for her work and volunteer efforts in community engagement and development for numerous non-profit organizations. Past projects have included Eden, annual city-wide outreach events using performing arts to foster mental, emotional, and spiritual development in women; facilitating food and clothing donations as well as creative collaborations for inner-city youth with Breakthrough Urban Ministries; and supporting women suffering from sexual abuse through use of the expressive arts with Stepping Stones Network.
Additionally, she is an inspirational speaker and a holistic life coach for creative moms. Jazelle founded FULLY Me., with the desire to encourage and equip women with specialized tools and resources to continue sharing their gifts while rocking motherhood. This includes personalized coaching, programs, brainstorming and goal-setting for creative projects, family/home-life efficiency, personal development, community-building, and targeted events to learn from other successful artists and mothers. She is also an actress, singer/songwriter, and visual artist with a deep appreciation for the creative arts as a change agent—individually, communally, and globally.
Jazelle holds a BA from Wheaton College in Psychology and is currently working towards a MA in Expressive Arts Therapy from Lesley University. She is an Entrepreneurial Leadership Academy Fellow and a member of the International Expressive Arts Therapy Association (IEATA).
Gwyneth Muller is a Toronto-based arts consultant and fundraising strategist.
Prior to working with A.D. Hamingson & Associates, she served as Associate Managing Director of Special Projects at Yale Repertory Theatre, where she produced their No Boundaries performances and coordinated their Equity, Diversity, and Inclusion Symposia series. Previously, she was Assistant Managing Director at Yale Repertory Theatre and a Management Fellow at the National Ballet of Canada.
Before transitioning into arts management and consulting, Gwyneth was a dancer with the New York City Ballet. While with the company, she had the pleasure of originating roles in works by some of today’s most prominent choreographers and performing many leading roles in ballets by George Balanchine and Jerome Robbins, among others.
Gwyneth graduated summa cum laude from Fordham University. She holds an MFA in Theater Management from the Yale School of Drama and an MBA from the Yale School of Management.
Courtney Ozaki is an independent creative producer/experiential designer, and the founder of the Japanese Arts Network, a national resource for artistic collaboration and connection which provides access to resources and develops programs and platforms that support, advance, and strengthen visibility for Japanese Artists in America. She holds a master of fine arts degree in performing arts management from Brooklyn College and previously worked as a project manager and dance producer for Joyce Theater Productions in NYC, with which she developed and toured new works by Wendy Whelan and other international artists. Ozaki has most recently worked with ADH Theatricals as General Manager for the world premiere of Joshua Frankel and Judd Greenstein’s A Marvelous Order, and produced her own original experiential theater work ZOTTO: A Japanese Supernatural Folktale in Denver, CO.
She serves on the board of directors for the Western Arts Alliance, and she is on the organizing committee for the Creative Independent Producers’ Alliance. She is passionate about the melding of ideas and the integration and interdependence of arts sectors, and she is motivated by the impetus that an inclusive arts culture leads to a more productive and empathetic society.
TIANA STOWERS PEARSON
Tiana is a mission, strategy, and data-driven visionary and changemaker with extensive
experience in business, social responsibility, nonprofit, and government administration.
Her career accomplishments center around operations, program development, creating
innovative strategies to address community and social justice issues, and research and evaluation of equity, law, and behavioral health policies. She is committed to cultivating multidisciplinary and interagency relationships dedicated to outcomes that serve families and marginalized communities.
Tiana is a sought-after trainer and speaker and has spoken at the White House and in front of the Congressional Black Congress. As a Special Assistant to the Staten Island District Attorney, She has served as the Director of Outreach & Program Development and the Director of Strategic Projects & Initiatives. She provided expertise and oversight for the launch and implementation of Richmond County’s diversion and alternatives to incarceration court programming and services. Staten Island’s HOPE diversion program has been replicated locally and nationally and was recently recognized in the White House Drug Strategy released this past April.
Tiana holds a BA in Political Science and a double minor in Criminal Justice and Women Studies from Washington State University. Tiana also earned a JD from the University of Idaho Law School. She was awarded a prestigious fellowship with Harvard Legal Aid, served as a Co-President of the Multicultural Law Caucus, and was a Co-Founding Editor of the school’s Critical Legal Studies Law Journal, The Crit.
JAMAINE T. SMITH
Hailing from pre-gentrified Bushwick, Brooklyn, New York Jamaine T. Smith is a strategic designer of experiences and systems that champion and support the innate dignity, creative genius, and worth of every person. His work is guided by empathy, equity, imagination, and the poem “won’t you celebrate with me” by Lucille Clifton.
With over a decade of deep work in Philadelphia's arts and culture sector as an artist and executive level Arts Administrator, Jamaine specializes in direct support for artists and arts organizations (coaching, capacity building, resource development, strategic visioning, fiscal sponsorship, and more) as well as equity focused, people centered design for all sectors.
Most recently, Jamaine has worked with the Institute of Contemporary Art (Philadelphia, PA), The Field (New York, NY), Fractured Atlas (New York, NY), The Nonprofit Center of LaSalle University (Philadelphia, PA) and Urban Creators (Philadelphia, PA). Projects included Market Research, Constituent Engagement, Program Evaluation, Strategic Visioning, Diversity, Equity, and Inclusion Implementation, Conflict Mediation, and Theory of Change and Mission Statement creation.
Jamaine holds a Bachelor of Science in Social Work (Nyack College), Master of Arts in Urban Studies (Eastern University), and Master of Business Administration (Philadelphia University - now Thomas Jefferson University).
MORGAN LINDSEY TACHCO
Morgan Lindsey Tachco is an artist and cultural professional who has supported the work of thousands of artists in a multi-hyphenate career that spans creative producing, performance, grant making, fundraising and advocacy.
Morgan oversaw the allocation of over $2 million in public cultural funds in their eight-year tenure at Brooklyn Arts Council. She has worked as a freelance performance-maker and independent consultant since 2017. As a consultant, Morgan works both independently and with A.D. Hamingson & Associates. Clients with ADH&A include JACK; Staten Island Arts; Andy’s Summer Playhouse in Wilton, New Hampshire and The Barrow Group. Past and current independent clients include Mabou Mines, The Flea Theater, ARTs East New York, NEW INC, Actors Fund Arts Center, Groundswell, CUE Art Foundation, A.I.R. Gallery, and more.
She works as the Managing Producer of The Builders Association, a cross-media performance company; a Performer/Deviser and Creative Producer with the performance company Little Lord; and has worked with Theater in Quarantine as Creative Producer.
Morgan holds a B.A. from Goddard College in Individualized Studies with a concentration in Performance and Arts Management. She was an inaugural New York Community Trust Leadership Fellow. More information can be found on her website at morganlindseytachco.com