Turning Conviction into Curriculum
for the World's Most Impactful Institutions
Our Services
Executive Consulting
Program Design
& Development
Training & Workshops
Advanced Multimedia
Course Hosting
Immersion Learning
Consulting Services for Theological Schools
EdTech Audits & Reviews
Digital Pedagogy Workshops
Program Design Labs
Elevate the Digital Classroom: Expert Consulting for Asynchronous Teaching
Elevate your online courses with tailored, one-on-one consulting designed specifically for professors and instructors transitioning to or refining asynchronous course design. We work independently with each instructor to optimize course structures, streamline workload management, and boost student engagement in flexible learning environments. Partner with us to transform your digital classroom into an active, high-impact space while creating a seamless teaching experience.
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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, government and nonprofit trainers, churches, denominations, and judicatory leaders. 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!
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"Very well designed and facilitated—really appreciated the table activities and opportunity to go beyond words/concepts."
2026, Program Director, Theology School
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"Dr. Lindsay is knowledgeable, professional, and approachable. Her expertise is evident, and she shares it generously and genuinely."
2025, Educational Technologist, Graduate Seminary
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"This [training] demythologized the art of online instruction for me."
2024, Executive Director, Nonprofit
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"Incredibly stimulating workshop!"
2026, Tenured Professor, Graduate Seminary
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"The live conversation helped me ask better questions because [Tumbuh's] expertise and experience factor helped me manage my own ignorance and mitigate my circular thinking."
2025, Academic Dean, Theology School
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"Our pastors needed this insight more than I knew. It helped them understand their parishoners in a whole new light."
2024, Regional Executive, Denomination
The Online Educators Forum is a digital repository and professional development hub where educators, administrators, and designers gather to hone their skills, improve institutional delivery, and expand their capacity for digital innovation.
The OEF Forum comprises a video and audio podcast, as well as Design Support Shorts, that provide the strategic intelligence and timely insights needed to navigate the complexities of a rapidly shifting educational landscape. All are free in the Resource Hub!
Who We’ve Served Recently
