Experienced is Better.
Skies Above Media is a privately owned independent Outdoor Advertising (OOH) media owner, operator, and representative based in Los Angeles. Previously named Mahlmann Media, we were established in 1989 by Richard and Susan Mahlmann with just one billboard in Fresno, CA. Since its inception the company has scaled up in its breadth and depth of media formats and coverage markets and now sells over 135 OOH assets across Los Angeles, New York, San Francisco, Chicago, Boston, Detroit, Phoenix, Atlanta, and Dallas. OOH Industry veteran Glyn Williams acquired Mahlmann Media in March 2021.
Who We Are.
The Leadership, Operations, Development, and Sales teams at Skies Above Media have a rich history within the out of home advertising industry. Their knowledge across every facet of the business, as well as a deep understanding of both sides of the media buying process – leads to greater collaboration to deliver optimal solutions to the clients.

Glyn Williams
Chief Executive Officer

Glyn Williams
Chief Executive Officer
Glyn Williams started his advertising career in OOH at Starcom in 2002 and was hooked on it within a matter of weeks. In 2007, Glyn moved to Kinetic to help work on the Coors account and later contributed on the pitch to win the consolidated MillerCoors OOH business. In 2011, he moved from Kinetic to OAG, where he began overseeing the Chicago and Detroit offices.
In 2013, he moved to LA to help launch IPG’s OOH agency Rapport. In just five years he led Rapport from 6 people with $25 million revenue to 30 staff members with over $100 million revenue. He left Rapport in 2019 to become Chief Revenue Officer of Mahlmann Media and was later named President.
Over the course of his agency career, he has worked on over 100 different clients across every major category and has contributed to or led a team that has won seven OOH media awards, including AdWeek Media Plan of the Year in 2018 for Netflix’s Altered Carbon.

Michael Cook
Chief Operating Officer

Michael Cook
Chief Operating Officer
Michael started in outdoor advertising in 2005, after years in the hospitality industry with the Ritz-Carlton Hotel Company. Over 13 years and multiple positions held, he led teams of over 25 employees, served as departmental trainer, was part of the Malcolm Baldridge Team for quality control and was voted 5-Star Employee of the Year. More than anything he learned that outstanding service, attention to detail and accountability are the cornerstones of client satisfaction.
Making the transition to outdoor advertising with MMI as an account executive, he cut his teeth by helping set-up the accounting system, client and vendor contract entry and sales in the Fresno market. A few short years later he was promoted to Director of Operation where he oversaw all RFP’s, installations, proof of performance, contract entry and invoice validation/accounts receivable. Michael was made Vice President in 2013 and expanded his role to include property owner relationships, new ventures, video board programming, working with municipalities, etc. He has nurtured strong relationships with smaller, independent property owners and operators as well as the larger partners in the OOH arena.

Catherine Williams
West Regional Sales Director

Catherine Williams
West Regional Sales Director
Catherine Williams brings a wealth of out of home advertising sales experience to Mahlmann Media as a result of her 20+ years in the industry. She initiated her well-rounded career planning and buying national OOH, radio and print campaigns on both the agency side as well as the client side before finally settling into sales of her favorite medium.
After having worked with various L.A. area media companies during her OOH sales profession, Catherine now feels a sense of pride to be a part of this boutique business environment. Since joining the company in 2018, she’s seen their synergistic growth to new heights.
Catherine is a proud graduate of The Ohio State University with a BA in Advertising, and she also enjoyed a record-setting stint on the Track team. She then headed west to start her professional advertising career in Los Angeles. Since 1997, Catherine has helped in the coordination efforts for the L.A. Marathon. one of L.A’s largest annual events. She continues to be an avid sports enthusiast at her home in the San Gabriel Valley, where she loves to play basketball, go hiking and biking

Jason Rice
Director of Strategic Partnerships

Jason Rice
Director of Strategic Partnerships
We are excited to welcome Jason Rice to the Mahlmann family as Head of Development. Jason brings a wealth of knowledge and experience from the outdoor world, anchored by his successful background in commercial real estate. Born in Omaha, NE, Jason received his bachelor’s degree in 2004 from California Institute of the Arts, and later received his real estate license in Chicago, IL where he racked up over 35 Million Dollars in real estate sold. When Jason entered the out-of-home space, he immediately made a difference for companies like Shout Outdoor Media, and Foxpoint Media securing high-profile units and robust portfolios throughout the country.
When he is not working, Jason enjoys cooking for his friends and family, and has been known to be seen on the links, as well as nurturing a healthy appetite for the greatoutdoors. He’s probably got his sneakers in the car, so drop him an email if you want to catch a jog or hit the gym. Jason is thrilled to bring his enthusiastic and positive approach to Mahlmann.

Joanna Weiss
East Regional Sales Director

Joanna Weiss
East Regional Sales Director
Joanna (Jo) has over 15 years experience in media sales, with an extensive track record as a media sales leader. Most recently, Joanna served as Sales Director at Westfield where she worked with the largest OOH agencies and clients in the industry to successfully drive revenue and be an integral part of the launch of Westfield’s Digital OOH network.
As the primary liaison for the Northeast, Joanna managed major accounts out of NYC and exported business from the top U.S. media market to the company’s national media portfolio. She was recognized for consistently surpassing sales goals and exceeding earnings targets. Prior to her role at Westfield, Joanna held senior sales and business development positions at Pedicab Outdoor, BMF Media, and City Eventions where she was recruited by the CEO to lead new business development, launching City Eventions into a successful experiential and marketing company.
Joanna is an avid Mets fan, resides in Tarrytown, New York with her husband Michael Bamford and their two children, Maeve, and Callan.

Alex Serventi
Operations

Alex Serventi
Operations
Arizona native, Alex Serventi, joined the Skies Above team at the end of 2021 following an intensive introduction into out-of-home where he assisted in the development, operation, production, and installation of many OOH mediums. With Skies Above, Alex manages operations and will continue to further his skillset alongside our established team of industry experts. Always asking, “How can we make this more efficient?”, his career spanning ops background nurtures the notion of “the sky is the limit” here at Skies Above Media. Currently residing in Silver Lake, he is a fan of the outdoors and enjoys expanding his love of food and music through travel.

Megan Godinez
Sales Assistant

Megan Godinez
Sales Assistant
Megan is a recent college graduate from the University of La Verne, with a degree in Communications & Public Relations. She was born and raised in the small-town of Upland and enjoys being active, traveling, attending concerts and festivals, singing, off-roading and spending time with family and close friends.