for their role in equipping me with the necessary foundational skills; all other faculty members for their time and contribution in one way or another; Bee Hua, Karen and the PhD office for their clarification on any administrative issues that I may have encountered.On a personal level, I express my heartfelt appreciation, gratitude, and love to my wife, Algie. Throughout this journey, she has been my pillar of support emotionally, physically, financially, and even spiritually. I am extremely grateful for her dedication as a mother, her patience as a wife, and her understanding as a friend. I also dedicate this in loving memory of my father and am immensely grateful to my mother for always doing her best.Last but not least, to my fellow PhD students, who have shared this path with me and offered not only a listening ear, but their friendship as well: thank you. In particular, I would like to express my gratitude to Hyemin and Peishu for always being available and ready to face any challenges with me head-on.