Due to last name, I am never first author
In some fields, alphabetical listing is strongly preferred. Doing it differently would be seen as odd. Because of my actual family name I'm often "first". But I also frequently publish with more prominent people and no one ever thinks that I dominate the research in any way. 

But the work in such fields tends to be highly collaborative (as I suspect it is in yours) where it is difficult to say who contributed "more". 

But if a paper results from your doctoral research, it should say something about that in a note, perhaps the ack section. People will assume that you (and perhaps your advisor) did the driving. 

I find the fighting over authorship position on some posts here to be very saddening. I understand that in some fields (lab science, say) that there are lots of things going on in a give lab with one person primarily responsible for some part of the research and should therefore get more "credit" for the papers even though others in the lab contributed something. But the fights make it seem like, to them, research is a zero-sum game. 

Be happy that you work in a field that values collaboration and joint success. But if Mike doesn't ack you and suggest you as a co-speaker (or as the actual speaker) then there is a problem (his) that you can address with him. Be nice, of course, but be firm. "We built this together." Get your advisor on board. "Help me out here Z, I can use the exposure and experience." He knows that, of course. Don't let him forget.