Vaclav Petricek, Director of Machine Learning at eHarmony, breaks down the company's headcount and team structure across technology, matching, and data science.
“Ah, so eHarmony has about 200 people in Santa Monica. We have a few offices around the world, and in terms of technology, we have about 50% tech, but still, like, a lot of people are building the site, infrastructure, and so on, so matching is about twenty-ish people, but that still includes even people who are, ah, working on the infrastructure scaling, delivering the matches every day. So we have about, like, Below 10 people who are working on this product side, on the machine learning, you know, data science and statistics.”
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More from Vaclav Petricek
AssertionContradicted
eHarmony couples had nearly half the divorce rate of offline couples
“The couples that met on eHarmony also had a low divorce rate, so nearly half of what the marriages that met actually offline.”
Vaclav PetricekDec 5, 2013▶ 17:59Vaclav Petricek, eHarmony // Data Driven NYC 19 // October 2013
AssertionSupported
eHarmony accounted for a quarter of online dating marriages from 2005-2012
“So about a quarter of all the marriages from online dating had met on eHarmony.”
Vaclav PetricekDec 5, 2013▶ 17:00Vaclav Petricek, eHarmony // Data Driven NYC 19 // October 2013
AssertionSupported
One in three U.S. marriages between 2005 and 2012 began online
“One in three marriages in this period, so that was from 2005 to 2012, met online.”
Vaclav PetricekDec 5, 2013▶ 17:05Vaclav Petricek, eHarmony // Data Driven NYC 19 // October 2013
AssertionNot checkable as stated
Petricek: Obstreperousness is predictive of long-term marital satisfaction
“One of these dimensions that's quite predictive is obstreperousness.”
Vaclav PetricekDec 5, 2013▶ 2:32Vaclav Petricek, eHarmony // Data Driven NYC 19 // October 2013
AssertionNot checkable as stated
eHarmony data shows communication peaks when men are 4-8 inches taller
“The highest probability of communication between two people is when the height difference is between four to eight inches, when the male is four to eight inches taller.”
Vaclav PetricekDec 5, 2013▶ 6:39Vaclav Petricek, eHarmony // Data Driven NYC 19 // October 2013
Disclosure
eHarmony only introduces couples predicted to be in upper quartile of satisfaction
“And we only introduce them if they fall into the upper quartile. If there is a very high probability that they will be in the upper quartile in terms of satisfaction.”
Vaclav PetricekDec 5, 2013▶ 4:02Vaclav Petricek, eHarmony // Data Driven NYC 19 // October 2013
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