Aphirox

I am a 2nd year student at UC Berkeley who will graduate in 3 years (currently 3.77 gpa cs major). I have worked at Stanford since junior year in highschool at a Neuroscience laboratory, where I have developed a very good relationship with the professor. I have worked on different models using machine learning that analyze post doc's microscopy images. One of the papers which I am coauthor in is published in Cell Journal and I am working with 3 other post doc to publish another paper this year that includes my deep learning segmentation model. The professor has already gave me good praise and said he would write a very good recommendation for me. However, I am slightly worried that the Professor is in the biology department and not a computer scientist. I want to maximize my chances, so I am asking for what I should do next in the coming 11 months. I know Stanford requires 3 recommendation letters and I currently only have 1. I plan to pursue research at UC Berkeley this semester but that will only lead me to have 1 more recommendation letter (its a rush because of the 3 year graduation). I have accepted an internship at Amazon this summer and I was wondering if its a good idea if the manager wrote me a recommendation letter? I have not yet taken the GRE (I plan to this semester). I want to study Artificial Intelligence and I know how competitive this field is, especially at a university like Stanford, so I know its a long shot, but I appreciate any advice to increase my chances. I will probably raise my gpa to around 3.85 (due to easier classes) by the time I apply if that help. Next year, I will only apply to Stanford MSCS program (if I don't get in, I'll work and apply next year). I know this may sound dumb to some, but Stanford has always been my dream (for various reasons besides just brand name) and if I get a masters, I want it to be from there.