Commercial, Family & Workplace Dispute Resolution Specialists. Based in Waterford, Ireland, operating nationally. Founders Dr. Roisin O'Shea & Shane Dempsey
Waterford, Ireland
Joined August 2012
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ARC Partners & @SETUIreland Researcher awarded European Parliament research contract to investigate the use & place Family Mediation across member states
arcmedlaw.com/wp/2026/07/30/…
ARC Partner and @TheIPMOie Deputy Chair interviewed internationally renowned mediator & author Ken Cloke for IPMO's "In Conversation With" series. More info at arcmedlaw.com/wp/2026/06/02/…
ARC Partner Dr Roisin O'Shea was interviewed for @wlrfm's Legally Speaking podcast in a discussion about family mediation. Further details at
arcmedlaw.com/wp/2026/06/09/…
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Very enjoyable conference with great speakers & panelists. A pleasure to have been involved in organising it with the @TheIPMOie board!
Why Mediation is Now the First Option - IPMO's 2026 annual conference
theipmo.ie/page-18049/136217…
A great reason why statistics need to be interpreted and explained, and why you should be skeptical of simplistic statistical arguments which don't consider different interpretations.
The number of cancer deaths worldwide has more than doubled since the 1980s. Does that mean we're losing the fight against cancer? Not necessarily, because it depends on how you measure it. On this chart, you can see three ways to look at the same data.
The red line shows the total number of cancer deaths. It has increased by about 120%, but this measure doesn't account for the fact that the world's population has also grown enormously over this period.
Another approach is to look at the death rate: the number of cancer deaths divided by the total population. That's the brown line, called the crude cancer death rate. It has increased too, but much less — around 20%.
But there's still a problem: the world's population has been getting older. Cancer is mostly a disease of old age, so even per capita, we'd expect more cancer deaths simply because there are more older people than before.
That's where the method of “age standardization” comes in. It's a way of asking: what would the cancer death rate look like if the age structure of the population hadn't changed?
The blue line shows this age-standardized rate: it's fallen by about 25%. At any given age, people are now less likely to die of cancer than they were in the 1980s.
The same underlying data gives us three different pictures. The absolute number of deaths is up; the crude rate is up slightly; the age-standardized rate is down. None of these are inaccurate, but they answer different questions.
Age standardization is one of the most important statistical methods for making sense of health data. Without it, population aging can hide progress or mask problems.
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Really enjoyed this interview! It was a brilliant opportunity to meet one of my mediation heroes
In Conversation With - mediator & author Ken Cloke
theipmo.ie/page-18049/136082…
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Delighted to be invited by @damienwlr to chat on his @wlrfm show about the new Child Maintenance Guidelines. A sea change from the old system & a lot to think about for parents & family mediators alike. We discussed the pros + cons with worked examples
In our role as committee members & trainers, we'll be assisting @TheIPMOie members understand the guidelines in due course!
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Arc Mediation retweeted
IPMO Chair Dr Roisin O’Shea Welcomes the launch by the Minister of Child Maintenance Guidelines today theipmo.ie/page-18049/135867…
The outcome of years of hard work by many people, and something the founders of Arc have championed since we visited Canada as researchers in 2010. Our business was only a few months old but our dreams were big!
IPMO Chair Dr Roisin O’Shea Welcomes the launch by the Minister of Child Maintenance Guidelines today theipmo.ie/page-18049/135867…
A great event which was attended by ARC's Partners, Dr Roisin O'Shea & Shane Dempsey as the Chair & Treasurer of the IPMO. It was a brilliant opportunity to engage with the HR community, and to discuss the nuances of workplace mediation.
Reflecting on the launch of our Workplace Mediation roleplay at PTSB Head office yesterday, in association with CIPD Sustainable HRM. theipmo.ie/page-18049/135719…
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Arc Mediation retweeted
Litigation must be the last resort, says the High Court; a review of the V Media Doo & Anor v Tecads Media Limited verdict in the context of the Mediation Act 2017, by IPMO Chair, Dr Roisin O'Shea theipmo.ie/page-18049/135490…
1 in 27 people in Ireland are autistic, yet many still face barriers to education, employment, & community life. We donated to #SameChance today. AsIAm is a charity close to our hearts & we would urge others to do what they can support.asiam.ie/
Due to cancellations, we have 2 places available on our next @TheIPMOie accredited Family Mediation training course in March/April. More details at arcmedlaw.com/wp/ipmo-family…
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Arc Mediation retweeted
Ever lose anything or leave something behind on a bus, train, bar, match, library etc? Jim Kealy of Bus Eireann in Waterford has 26 phones and many other items he wants to reunite with owners : including a bike! More on #wlr #deisetoday on Monday…
Sad news. Tony Whatling will be missed by the mediation community. His books helped refine our skills & help as many people as we could in the process. We owe him a debt.
Tony Whatling RIP. He influenced a generation of mediators as an educator, and with his practical & insightful books. Our interview with Tony captures his humor, wisdom & deep empathy.
youtube.com/watch?v=HgQioYVx…
Arc Mediation retweeted
Are mediated settlements legally binding?
theipmo.ie/page-18049/134220…
A pleasure to meet you & hear your insightful views, as always
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Still a few places available for our October 2024 Family Mediation course. Enquiries can be made using our contact form at:
arcmedlaw.com/wp/contact-us/
We still have some places available on our October 2024 Family Mediation training course. The course is accredited by @TheIPMOie. Details at arcmedlaw.com/wp/ipmo-family…