Equipping Today’s Learners for Leadership Tomorrow through Educational Design
Our Mission
We believe that truly transformative learning goes beyond simply delivering information. It requires a deep understanding of how adults learn, how to design engaging online ecosystems, and how to cultivate the skills necessary for individuals to speak up in the public square, deliver a compelling message behind the pulpit, and step into important leadership roles at work.
Upcoming Webinars & Workshops
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"The Basics of Adult Learning Theory"
08.26.25 Noon EST
This webinar is exclusively for members of the Association of Leaders in Lifelong Learning for Ministry. You can learn more about membership in ALLLM by clicking the link below.
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"Culture Shock: Recognizing the Signs and Navigating the Symptoms"
09.30.25 Noon EST / 6pm CET
Whether you are living abroad, traveling internationally, or hosting a group trip overseas, culture shock can present a unique and unexpected set of challenges. In this 90-minute workshop, we will discuss how to recognize the signs and how to navigate the myriad of symptoms associated with culture shock.
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"Measuring What Matters"
10.28.25 Noon EST / 6pm CET
In this webinar, we will discuss how best to assess learning online. We will explore assessment strategies that move use beyond basic quizzes and into measuring what is most important for adult learners.
Executive Consulting
Program Design & Development
Our Services
Advanced Multimedia
Training & Workshops
Online Learning
Immersion Learning

Online Learning: Are you measuring what matters?
Our Strategic Online Learning Assessments provide a comprehensive, evidence-based assessment of your online course assessment and evaluation strategies, ensuring they effectively drive deep learning, meet relevant accreditation standards, and prepare your students for their desired vocations. Assessment reviews generally take 6-8 weeks to complete, include a printable PDF findings report, an optional Zoom presentation to staff and stakeholders, and are based on data collected from Tumbuh's Comprehensive Assessment Matrix (TCAM). Drop us a message to let us know of your interest, and we'll send you an overview of our approach.

Join the Resource Hub - it’s free!
The Tumbuh Resource Hub is a growing set of educational design and adult learning resources for theological schools, churches, denominations, judicatory leaders, nonprofit executives, and government trainers. Click 'Resources' in the menu bar or the button below to join. Hub membership is free - but requires an active email address to maintain access. New resources posted monthly!
Recent Clients
