Courses and Certifications

The Bushe-Marshak Institute, in partnership with the Cape Cod InstituteCape Cod institute logo

and Lacerta Academy,Lacerta logo

provides courses for those interested in developing their skills and knowledge in Dialogic Organization Development.


Live Courses

In partnership with the Cape Cod Institute, we offer in-person courses during the summer and online the rest of the year.

You can view our upcoming courses by following this link.

Most of our courses are a total of 15 hours, spaced out over a month, and cost $750US. They are offered at different times to accommodate different time zones around the world. If there are courses you want to attend that are not currently offered in your time zone, please let us know at


For those wishing to develop into certified professional dialogic OD practitioners, we offer two levels of certification:

 Level 1: Certificate of Completion

In order to attain our certification of completion of a program of study in Dialogic Organization Development, applicants must successfully complete any five of our Cape Cod affiliated courses and the three online, asynchronous courses produced in partnership with Lacerta Academy.  The asynchronous courses can be completed at any time, and cover basic theoretical background on topics like the social construction of reality, complexity and emergence, and organization development.

Follow this link for more information on our courses at Lacerta Academy.

If you wish to pursue certification, you can purchase five online courses for the price of four. To be eligible for this offer, you must pay the full fee before more than one of our Cape Cod courses is completed (that is, before a second course is taken).  If you are interested, please contact

Level 2: Certification as a Dialogic OD Professional

To be certified by the Bushe-Marshak Institute as a Dialogic OD Professional, you must complete level 1 and then participate in an ongoing peer action learning team, led by one of our faculty, until such time as our Faculty are satisfied that you are competent at using Dialogic OD methods.  To participate, you must be in a position to use Dialogic OD in your work.  Action Learning Teams will normally be less than five members, meet monthly, online, and workshop real issues, review the past month’s activities and help plan future actions.  Depending on one’s past experience and competence, a person might be quickly certified or might require up to a year of participation in a team.  If you are interested in pursuing level 2 please contact  Efforts will be made to group participants into action learning teams in similar time zones.


(in alphabetical order)

Tova Averbuch  MSc

Tova Averbuch (she/her) has over 40 years of experience as an Organization Development consultant. She designs and facilitates accelerated change by working with the whole system in the room.  Tova specializes in using generative change methods that liberate life energy and collective intelligence, inviting self-organizing and personal leadership. Since 1999 she has pioneered applying the dialogic mindset and methods in and across businesses, government, and communities in Israel and internationally. She has taught in various university training programs including the Masters in OD program at Tel Aviv University School of Business from 2010-2015. Tova contributed chapters in The Handbook of Large Group Methods and in Dialogic Organization Development. Her new book,  due in the fall of 2021 for the BMI Series, is  Initiating Generative Change: Entry and Contracting for Emergent Outcomes in Result Driven Organizations.  Tova brings vitality, creative energy, a spirit of generosity, and genuine human contact, creating resilient partnerships and emergent solutions to complex adaptive challenges. She earned a BSW at Hebrew University and an MSc in Organization Behavior at Tel Aviv University. She lives in Holon, Israel.

Bennet Bratt

Bennett Bratt MA, MA

Bennett Bratt (he/him) is CEO and Founder of The Team Effectiveness Project, LLC and the author of The Team Discovered: Dialogic Team Coaching (BMI, 2020). Previously he was VP of HR at T-Mobile USA leading the Talent and Organization Capability function, and he has had various leadership and internal roles at Sun Microsystems, Volkswagen of America, and Ford Motor Company. His Team Elements™ framework and coaching methodology have helped hundreds of teams and leaders de-mystify and re-envision their team experience, take ownership for their path forward, and ensure that each diverse voice is included in the process. His clients range from the C-Suites of Fortune 100 corporations to teams of all varieties in non-profits, governments, and higher education institutions. He earned BA and MA degrees in Political Science (Calvin College and Tulane University, respectively) and an MA in Counseling from Michigan State University. He resides near Seattle, Washington.

Gervase Bushe Ph.D.

Gervase Bushe (he/him) is the Professor of Leadership and Organization Development at the Beedie School of Business at Simon Fraser U in Vancouver, Canada. He earned his Ph.D. in Organizational Behavior at Case Western Reserve. His career spans four decades of transforming organizational structures, cultures, and processes away from command and control toward more collaborative work systems. He is an award-winning author of over 100 papers and four books on organizational change, leadership, teams, and teamwork. Gervase has consulted blue-chip corporations and start-ups, public sector and business corporations, in a variety of sectors, using highly collaborative processes of inquiry to create transformational change. His recent book, Dialogic Organization Development: The Theory and Practice of Transformational Change, co-edited with Robert Marshak (Berret-Koehler, 2015) builds on his ground-breaking research into processes of generative leadership and change and has garnered international acclaim. His latest book, The Dynamics of Generative Change (BMI, 2020), offers a practical alternative to traditional planned change, better aligned with the needs for agility and engagement in today’s organizations. Since 2016 HR Magazine in the UK has identified him as one of the 30 most influential HR Thinkers. In the last ranking, he was 12th. A chapter on his life and work appears in the Palgrave Handbook of Organizational Change Thinkers. He lives in a rainforest, with his family, in North Vancouver, Canada.

Michael Cody

Michael Cody, Ph.D., LLM

Mike Cody (he/him) is a leadership and team collaboration consultant and a partner in He did his PhD at the University of British Columbia on Dialogic Law and Regulation. He has had a broad array of experiences in the law, business, and as an entrepreneur. He has practiced as a mergers and acquisitions lawyer at Osler, Hoskin and Harcourt, was a General Counsel or in-house counsel for three TSX listed companies, was the Director Patient Services for LifeLabs, and is the founder and owner of two wine importing companies – one of which pioneered the use of dialogic techniques to sell natural wines. He has a BA (Western), L.L.B. (Western), L.L.M. (UBC) and Ph.D (UBC). He was the Gold Medalist at Western Law, held the prestigious SSHRC Canada Graduate Doctoral Scholarship during his PhD, is the recipient of numerous other academic awards and scholarships, has published multiple academic articles and book chapters, has lectured at UBC and Simon Fraser University, and lives in the Quebec countryside with his wife, son, and eight chickens.

Robert Marshak

Robert Marshak Ph.D., MPA

Robert Marshak (he/him) is one of the leading contemporary thinkers about organizational consulting and change. He began his career as a management analyst in a U.S. government scientific agency, earned his doctorate at American University in Washington, DC, and later served in senior executive positions in science policy before starting his own consulting practice. As a consultant, coach, and educator, he has worked for more than 40 years on strategic change initiatives. Bob has led OD and change leadership programs at universities and institutes in the United States, the United Kingdom, India, Singapore, South Korea, and Japan; and taught for 40 years at American University, Washington, DC, where he is now Distinguished Scholar in Residence Emeritus in the School of Public Affairs. He has won numerous awards, including the OD Network’s Lifetime Achievement Award. Bob is co-editor with Gervase Bushe of Dialogic Organization Development; The Theory and Practice of Transformational Change (2015), as well as three other books and more than 100 articles and book chapters on organizational consulting and change. His most recent book is Dialogic Process Consulting: Generative Meaning-Making in Action (2020). Bob is especially known for his pioneering work on covert processes in organizations, the use of metaphors and symbolic meaning in organizational change, and, with Gervase Bushe, the development of Dialogic OD theory and practice. Bob lives in Florida, USA.

Steve Marshall Dprof MBA MSc

Dr. Steve Marshall (he/him) is a coach and change consultant with 20 years experience in organizational development, facilitation, academic supervision and mentoring, in the public, private and third sectors.  He worked as a freelance photographer and photo-journalist in London’s fast moving media world before joining the RAF where he spent more than 20 years as a jet pilot. In combining both disciplines, he brings insights into the value of a shared organizational vision and ‘picture’ in pursuit of pragmatic decision making in stressful, ambiguous and complex circumstances. His practice includes inquiry, dialogue and arts-based approaches to generative change and innovation. Steve’s collaborative work with boards and top teams helps surface hidden patterns of communication within and between groups. Where organizational interfaces have become strained or conflicted, he is able to help clients see and resolve the often hidden and complex dynamics that contribute to ‘stuck’ relationships. He is a supervisor in the ground-breaking  organizational change program at Ashridge Business School,  helping executives achieve professional doctorates as they develop their sense of agency and capacity to radically change often global, multi-cultural organizations. He lives in London, England.

Mark McKergow

Mark McKergow Ph.D., MBA

Mark McKergow (he/him) has been at the forefront in developments in organizational change and facilitation for some three decades. He has written six books including The Solutions Focus: Making Coaching & Change SIMPLE (with Paul Z Jackson), Host: Six new roles of engagement (with Helen Bailey) and Hosting Generative Change (BMI, 2020)). Mark combines a Ph.D. in physics studying complex systems at the University of Birmingham, with years of practical experience in helping organizations make progress in tough situations both effectively and efficiently. His work has appeared in peer-reviewed journals including Organisations & People, Long Range Planning, Coaching At Work, and the International Journal of Leadership in Public Service. He was a visiting research fellow at the University of Hertfordshire from 2013-2017, and edited InterAction: The Journal of Solution Focus in Organisations from 2009-2016. Mark was worked on every continent except Antarctica and worked for international clients including Shell, Lilly Industries, AstraZeneca, and British Nuclear Fuels amongst many others. He also works with consultants from all over the world to enhance their practice and has led an online Solution Focus Business Professional class with the University of Wisconsin Milwaukee since 2011. His latest book is The Next Generation of Solution Focused Practice (Routledge, 2021). Mark is based in Edinburgh, Scotland, and also plays jazz saxophone.

Gwen Sterling-Wilkie

Gwen Stirling-Wilkie MSc, MBA

Gwen Stirling-Wilkie (she/her) is a practitioner-educator in organization development and applied behavioral science. A former executive leader in commercial and charitable organizations, she is an experienced consultant, educator, and author who has been consulting in different industries and sectors for 21 years. Her book on virtual Dialogic OD, ‘From Physical Place to Virtual Space’ (BMI, 2021), was an Amazon best-selling Business Consulting book in 2021. Formerly a Director of OD in a UK consultancy, Gwen now runs her own consulting business, Seeds of Transformation, from the UK, and works with global clients in different industries and sectors. Her consulting work focuses on shaping and guiding organizational transformation, culture change, executive leadership development, and team coaching. In addition to her consulting practice, she runs programs to develop OD and transformation skills in others, and mentors new OD practitioners and those moving from internal to external consulting roles. She is visiting faculty for Leeds University Business School MSc in Management Consulting. She has led the System Transformation Skills program design and delivery for NHS England Southern Leadership Academy. Gwen has a range of OD qualifications including the NTL OD Cert, NTL HI Lab & T Group Trainer, Relational Organisational Gestalt, Ecological Constellations, NLP Master Practitioner & Coach, and holds an MSc in Organizational Consulting and an MBA from Ashridge Hult Business School. She is a member of NTL, ODN, and a former Co-Chair and Board member of ODN Europe. She lives in the south of England.

Jacob Storch PhD

Dr. Jacob Storch (he/him) is the co-founder of and Director of Development and Research at Joint Action in Copenhagen. He is a leading Scandinavian organizational consultant and practice-researcher. He is an executive advisor to government agencies and the largest public organizations in the Nordic countries. Jacob built, and was the CEO of, the largest Dialogic OD consulting firm in all of Scandinavia.  Early in his career his was ranked in the top 10 talent within the counseling industry and won awards for leading the fourth fastest growing company during 2002 and 2007 in Denmark. He taught Process Consulting and Dialogic OD to master’s students at Aarhus University, Denmark, from 2002 to 2018. He has taught at universities in Norway, Finland, China and the USA. He is a regular speaker at international conferences, most recently about his success transforming public organizations into dialogically and collaboratively oriented agencies able to co-create more effective and cost-efficient solutions with citizens, civic society, and across professional and organizational boundaries. He has authored or co-authored 7 books and published continuously on dialogic leadership, coaching, and consulting. He holds a doctoral degree from the University of Bedfordshire, UK in Applied Social Sciences. He has been trained by some of the pioneering systemic and social constructionists in and around the KCC Foundation and TAOS Institute, and is a certified SCRUM master and EMCC Certified Coach (with honours).

Tanya Cruz Teller MA

Tanya (she/her) has over 20 years international organization development experience.   She is committed to a diverse, equitable and inclusive world through building great organizations using dialogic approaches. Tanya earned her MA in International and Intercultural Management (School for International Training) and has a BA Psychology and Sociology Cum Laude (Brandeis) As a Dialogic OD practitioner, Tanya has worked for and with governments, global non-profit organizations and businesses to create a more equitable society through maximizing inclusion, innovation and inspired action. Tanya is an expert panelist for the Global Diversity Equity and Inclusion Benchmarks, a TAOS Associate, and member of the South Africa and International Organization Development Networks, the Diversity Collegium, and served on the boards of the Rutland Corner Foundation and ATD Editorial Board.  Tanya is a certified Appreciative Inquiry Facilitator Trainer (CAI), Trainer of Trainers and an Assessor (South Africa) and she teaches in the David L. Cooperrider Center for Appreciative Inquiry at the Robert P. Stiller School of Business, Champlain College.  A chapter on her Appreciative Leadership OD work in South Africa has been published in the book, Inclusive Leadership: Transforming Diverse Lives, Organizations, and Societies (2020). The title and dialogic methodology of the book Tanya co-authored, Thriving Women, Thriving World: An Invitation to Dialogue , Healing and Inspired Actions (2019)  directly reflects her vision and action in the world. She lives in Johannesburg, South Africa.

Caryn Vanstone MSc

Caryn Vanstone (she/her) has experience in transforming a wide range of international organizations.  She was Director of OD in a utility company for several years before joining Ashridge Business School in the UK in 1998 – heading the Consulting Change Practice for some years.  There she led a number of award-winning consulting projects and taught in the ground-breaking MSc in Organisational Change for over 20 years.  Her academic community is now Exeter University Business School, where she supervises and teaches on a range of MSc and MBA programs, in the field of dialogic and adaptive approaches to innovation and change, with a focus on sustainability, deep resilience, and social integrity.  She has a passion for research, bringing a constantly refreshed set of grounded ideas to her clients, in ways that are pragmatic and directly applicable.  She studies how psychology, sociology, behavioural economics, and applied neuroscience can transform the way people can learn and change together with purpose and enjoyment.  Recently she has expressed her professional lifetime of learning in videos, toolkits, and downloadables, on Lacerta Academy’s e-learning portal.  She is a natural ‘see-er’ of patterns, and is therefore useful as a ‘supervisor’ to other OD professionals, helping them to “connect the dots” and see/transcend any institutional ‘games’ or cultural blind-spots they might be facing as they facilitate others and learn their dialogic craft.