Sonic Union promotes Kelly Oostman and Michelle Kerzner, and appoints Rob DiFondi

Post-production studio Sonic Union has promoted Sound Designer/Mix Engineers Kelly Oostman and Michelle Kerzner and also appointed Rob DiFondi to the team as Sound Designer/Mix Engineer.

Before joining the New York-based studio, Oostman worked in audio for the Olympic Broadcasting Service for the Rio Olympics and also spent time learning production and research for the ‘Tonight Show Starring Jimmy Fallon’. She has worked at Sonic Union for the past four years.

Among Oostman’s audio career highlights are ‘Anomaly’, a podcast she sound designed and mixed which was featured in Tribeca Film Festival’s first-ever Podcast Selections, sound design for the indie feature film ‘Give or Take’, and recording, sound design and mix for the musical feature film ‘A Trip to the Moon’.

Kelly Oostman

Kerzner joined Sonic Union in 2018 as an Assistant Engineer, previously working at Beatstreet in New York and Apex Post in New Orleans. At Sonic Union, she has worked on a variety of projects including a recent Summersault campaign about female empowerment and “A Song of Grace” by Arielle Knight, a film that premiered at Tribeca 2021. In addition to her mixing and sound design work for advertising clients like Dove and Heinz she is part of Sonic Union’s casting department.

Michelle Kerzner

“Our very reason for being is to help our clients deliver projects at the highest creative and technical level, and the pandemic provided an incredible lesson in making rapid change to meet them in every moment,” says Steve Rosen, Sonic Union Co-Founder & Sound Designer/Mix Engineer. “It was also a year that showed the strength of relationships, both our clients and the team, despite not meeting in a room.”

“Kelly and Michelle are both rockstars who have already contributed immensely to Sonic Union in so many ways – with talent, passion, and the willingness to jump in to find the most compelling solutions,” he continues. “We have seen it over time, but it was even more evident this last year-plus.  It’s gratifying to have the chance to recognize each of them with well-deserved promotions as we embark on Sonic Union’s next chapter.”

Rob DiFondi

Sonic Union is also welcoming Rob DiFondi’s, who has worked in the industry for nearly 20 years including stints at Audio Engine and Sound Lounge. He has worked extensively with the advertising industry, including work for brands such as M&M’s, Calvin Klein, and Dunkn’ Donuts.

“I am excited to join Sonic Union for a variety of reasons,” says DiFondi. “We share a common appreciation for the people-driven nature of the industry;  They place great emphasis on fostering community, even as they’ve embraced the idea of remote and hybrid collaboration which feels very forward-thinking. They do all of it with a feeling that’s down to earth and true to who they are as a group and as individuals.”

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