New squadmates you would want

Why not the other Pathfinders ? It's their jobs to explore worlds, like Ryder. Why do they stay on the Nexus while Scott/Sara is doing the job ? And the Pathfinders are already interrestings characters.

Avitus Rix is a former Spectre, he would have to be a pretty badass fighter.

Sarissa Theris or Vederia Damali would be the Asari Commando, so we could hear again the ''have you ever faced an Asari Commando..'' and it could be pretty cool to see the relationship evolve with Cora depending who you chose as Pathfinder.

Both Salarians Pathfinders looks interresting, taught nobody will ever replace Mordin.

The Future Quarian squadmate from the Quarian/Drell/hanar ark. We all love Quarians. It could be pretty cool if they link the Quarian Pathfinder with Admiral Zaal'Koris vas Qwib-Qwib, who wanted to colonize a new world instead of reclaiming Rannoch from the Geth. They could make the Quarians find a world were they do not need their suit.

female drell, salarian former stg male, male quarian 

A salarian infiltrator merc/bounty hunter with a personality somewhere between those of Zaeed and Kasumi.

Edit: or one like @autumn described in her point 5 a couple of posts up. Must be sarcastic.

Plus moar biotics! There are only 4 biotic skills out of the 18 our squad has, and only two of those are 'traditional' ranged biotics.

I like that line.  I remember when Matriarch Benezia said it, and then one of the most intense battles in all of Mass Effect happened soon after.  Which I died in.  A lot.  

That line strikes real fear in my heart.  

I don't mind who they pick so long as:
1- I can refuse them or kick them out at any time like DAO
2- I can engineer their demise like ME2

Finally I am fed up with the Krogran. I could be open to having someone like Vorn but thats it.