He's definitely someone who knows how haiku work and there are some lovely examples in this booklet, including:
they jay's conversation
way over my head
Robert doesn't seem to have a website so you probably need to catch him reading at an event to be able to get a copy of the booklet, but it's well worth buying if you can.
windfall plums, 24 haiku by Robert Alcock, self published.
There's an essay about writing haiku by Robert Alcock here.