top of page

Meet The Team


The duo behind Cosa Nostra PR and the team that previously handled PR for Roadrunner Records in the UK, with Michelle clocking up over 17 yrs as Head of Press at the genre leaders, and Kirsten serving 12 yrs as publicist.

Michelle and Kirsten have delighted in working with a wide range of artists through the years including previous clients such as Rob Zombie, KornSteven Wilson, Airbourne, Within Temptation, Fear Factory, Every Time I Die, Heaven & Hell, Nickelback, Kenny Wayne Shepherd, Five Finger Death Punch, Lynyrd Skynyrd, The Steve Miller Band and many more.


Several key clients have been with the duo from the inception of their internationally successful careers (Slipknot, Trivium, Black Stone Cherry, Killswitch Engage, and Stone Sour among them), with some staying with them for over twenty years (SlipknotMachine Head, DevilDriver, Max Cavalera). 

Michelle and Kirsten are also responsible for the publicity of the UK’s fastest growing heavy music festival, Bloodstock and work alongside the US office overseeing global PR strategy and media profile, both corporate and consumer, for the largest, global rock festival brand, Slipknot's Knotfest and its many events. 



  • Instagram


  • Instagram
  • Twitter


IMG_5821 2.JPG


  • Instagram
  • Twitter


  • Instagram
Eter Matsiashvilli | Tour Publicist


  • Twitter
  • Instagram

Prior to joining Cosa Nostra PR in 2017 and spearheading the company’s US expansion, Charley spent 9 years as Head of PR for Live Nation UK where she oversaw thousands of touring PR campaigns for a huge variety of artists such as Black SabbathMötley Crüe, Aerosmith, Bring Me The Horizon, Drake, Lady Gaga, Dolly Parton, Fleetwood Mac, Depeche Mode, Britney Spears, Nikki Minaj, Jay Z and Rihanna. She also oversaw all publicity and creative PR strategy for all Live Nation UK festivals, including internationally renowned events such as Download and Wireless Festivals

Becky joined Cosa Nostra in 2020 as a publicist. Becky previously worked as part of the PR team for Danny Wimmer Presents and their portfolio of nationwide rock festivals such as Sonic Temple, Welcome To Rockville, Aftershock and Bourbon & Beyond.

Eter started her career at Cosa Nostra in 2019 as a part time intern whilst also studying Communications at California State University, Northridge. She joined the team full time in 2021 as Tour Publicist, overseeing all local and tour related PR for all Cosa Nostra PR, US artists. 

The current  US roster includes Dance Gavin Dance, SpiritboxIce Nine KillsBrand of Sacrifice, Bad Omens, Animals As Leaders, Between The Buried And Me, POORSTACY, Spite, GvllowNita Strauss, Knotfest Global Brands, Brian ’Head’ Welch’s Love and Death, Born Of Osiris, Sleeping With Sirens, Veil Of Maya,  Sumerian Records, Rise Records, 5B Artists + Media and more. 

bottom of page