Oh go on then, here's a few professional archaeos who have published pieces against the proposed tunnel:

Dr George Nash https://heritageaction.wordpress.com/2017/02/08/the-stonehenge-tunnel-another-viewpoint/

Dr Rachel Pope https://twitter.com/preshitorian

Professor Dan Hicks: http://www.independent.co.uk/news/science/archaeology/the-a303-is-part-of-the-stonehenge-setting-dont-bury-it-a7543226.html
http://theconversation.com/archaeologist-the-a303-is-a-crucial-part-of-stonehenges-setting-71451

Penelope Foreman (less unequivocal, but still "anti-tunnel"): https://suspiciousmounds.wordpress.com/2017/01/17/under-stonehenge/

There are plenty of others who are lending support to the Save Stonehenge campaign (Dr Matt Pope, Dr Kenny Brophy, etc). Most of the ones with links to EH/NT are saying nothing, rather than coming out in support of the scheme.