Training Marbles, Inc. (TMI) is a recognized and respected leader in the HR industry. We don’t just deliver training, we ignite transformation. Founded by Dyann McDowell, a trailblazer with over 25 years of HR expertise, we exist to support one very specific person: you.  From drug-free workplace policies to leadership accountability and civility strategies, we blend sharp compliance with culture change that moves the needle. Compliance and respect aren’t just boxes to check; they’re non-negotiables. With every training, toolkit, and coaching session, we help HR professionals go from overwhelmed to unstoppable.

Our Mission:  TMI strives to elevate workplace culture through training that transforms how people lead, engage, and communicate. We simplify complexity, solve cultural challenges, and equip leaders with the tools to build respectful, high-performing teams. We turn dysfunction into structure and confusion into clarity, conflict into aligned purpose. We spark insight, shift mindsets, and embed change where it matters most: at the human level.

Our Vision: TMI is redefining workplace culture nationwide as the trusted partner organizations turn to when they aspire to build environments of respect, clarity, and high performance.  We envision a future where leaders are empowered to communicate with truth and compassion, teams thrive through purposeful collaboration, and every individual feels valued and equipped to contribute their best. Through transformational training, we set the standard for how human-centered leadership creates organizations where people and performance flourish together.