It seems that Spring semester classes have just begun (and they have!), but this also means that scheduling the for the Fall term is well underway. If you are presently co-teaching a class or considering doing so in the fall, check out this article on Strategies for Success for Online Co-Teaching.
The executive summary? Multiple instructors can often provide more immediate feedback to students, meet the needs of diverse learners, and offer varied perspectives to students. Instructors can also help each other by providing concrete instructional feedback; by engaging in reflective discussions about teaching, learning, and the course objectives, thereby fighting the isolation that may accompany being an online instructor; and by sharing scholarly resources. Effective communication, fidelity to the stated learning objectives, and a commitment to equitably share the workload are key.