Derek Simmons cree ciegamente en la estabilidad del mundo. Todos los miembros de la Familia están convencidos de que es necesario preservar la estabilidad, aunque haya que recurrir a actos ilegales por ello.
Cuando Derek conoció a Ada Wong, su personalidad siempre lógica e imperturbable se trastornó. Las habilidades de Ada como espía eran inigualables y las misiones que llevó a cabo para él fueron imprescindibles para alcanzar sus Objetivos. No obstante, su relación se quebor en cuanto Ada se enteró de que Derek estaba detrás de la operación para arrasar Raccoon City. Se dio cuenta de que trabajar con ese hombre era demasiado arriesgado y abandonó su empleo.
A partir de ese momento, Derek se obsesionó con recuperar a Ada. No se sabe si tal empeño se debe a un apego emocional o a que consideraba que Ada era la única persona cuya inteligencia podía compararse a la suya, pero esa obsesión lo llevó a desarrollar un plan siniestro.
Derek Simmons believes in world stability, and he, along with The Family, believe in preserving that stability, even if they have to act illegally to do so.
When Derek first met Ada Wong, it caused a ripple in his normally logical and unperturbed personality. Ada's skills as a spy were unparalleled, and the missions she carried out for him were instrumental in his goals.
A fracture in their work relationship was formed when Ada learned that Derek was behind the operation to raze Raccoon City. Realizing it was dangerous to keep company with Derek, Ada left his employ, never looking back.
From that point on, Derek has been maniacal in his plans to get back Ada. Whether it was because he felt an emotional attachment to her or because he thought she was the only woman whose intelligence could match his own is unknown. But this monomania with Ada led him to put a sinister plan into action.
Below is a note Simmons wrote after he lost Ada.
How could she leave me? We were the perfect partners! She was beautiful, intelligent, and the only one I would allow at my side. She should have known that.