In a medium serving bowl, add Greek yogurt, chives, parsley, lemon juice, salt and pepper, stir to combine and set aside.
Pat salmon dry with paper towels, then place on a cutting board. Using a sharp knife coarsely chop salmon into approx. 1/4-inch pieces, and set aside. Then finely chop (or use a food processor) celery, chives and grate shallots, then set aside.
Add salmon, panko breadcrumbs, celery, chives, shallots, dijon mustard, mayonnaise, old bay seasoning, lemon juice, salt and pepper to a large bowl, then stir to combine.
Using your hands, firmly press together and shape salmon mixture into 6-8 equal-sized, 1/2 to 1-inch-thick patties. Then heat olive in a large non-stick pan over medium heat. When hot, add patties and cook, carefully flipping once, until patties are cooked through, 2-3 min per side.
Dollop Greek yogurt dip over salmon cakes, garnish with lemon wedges for spritzing over, serve warm and enjoy.