Constructor based object initialization
Employee currentUser = new Employee();
currentUser.Name = "Bob";

Employee currentUser = new Employee() { Name = "Bob" };

internal class Foo
{
    public string Bar { get; set; }
}
class Program
{
    static void Main(string[] args)
    {
        Foo f = new Foo()
                    {
                        Bar = "Baaz"
                    };
        Console.WriteLine("Now the old way sugar");
        Foo f2 = new Foo();
        f2.Bar = "Baaz";

    }
}

IL_0000:  nop
  IL_0001:  newobj     instance void SimpleDataPlayGround.Foo::.ctor()
  IL_0006:  stloc.2
  IL_0007:  ldloc.2
  IL_0008:  ldstr      "Baaz"
  IL_000d:  callvirt   instance void SimpleDataPlayGround.Foo::set_Bar(string)
  IL_0012:  nop
  IL_0013:  ldloc.2
  IL_0014:  stloc.0
  IL_0015:  ldstr      "Now the old way sugar"
  IL_001a:  call       void [mscorlib]System.Console::WriteLine(string)
  IL_001f:  nop
  IL_0020:  newobj     instance void SimpleDataPlayGround.Foo::.ctor()
  IL_0025:  stloc.1
  IL_0026:  ldloc.1
  IL_0027:  ldstr      "Baaz"
  IL_002c:  callvirt   instance void SimpleDataPlayGround.Foo::set_Bar(string)
  IL_0031:  nop
  IL_0032:  ret

Employee tmp = new Employee();
tmp.Name = "Bob";
Employee currentUser = tmp;

Employee currentUser = new Employee { Name = "Bob" };

currentUser = new Employee { Name = currentUser.Name + "Foo" };