I will present the latest insights into the formation pathways of early galaxies, placing them in the broader context of self-regulated galaxy growth observed both today and during cosmic noon. Beginning with new theoretical developments from the cosmological THESAN-zoom simulations, I will explore how early star formation is regulated, how galaxies evolve along the star-forming main sequence, and how their sizes increase over cosmic time. I will then connect these theoretical predictions to recent JWST observations from NIRCam and NIRSpec as part of the JADES survey – one of the most extensive observational campaigns conducted with JWST. I will highlight the diversity of galaxies at cosmic dawn (redshift z>10), where vigorous star formation and black hole growth are prevalent. Next, I will examine the role of mergers in shaping galaxy evolution and discuss the emergence of disk-like structures during the Epoch of Reionization (z=4-10). I conclude by placing observational constraints on the morphological evolution of galaxies within the framework of star formation variability, providing a comprehensive view of how early galaxies grew and evolved. To arrange a visit with the speaker during the visit, please contact their host: Richard Tuffs