Ingrid Sutej is currently the producer of Mamma Mia! The Party with Björn Ulvaeus, and brings decades of experience in live event production to EEI. From her own businesses - producing and presenting concerts with the likes of Celine Dion amongst others, and a touring exhibition on the Diary of Anne Frank - to her association with AEG and the opening of The O2 Arena in London, and also with U-Live/Universal Music Arts & Entertainment.

At The O2, Ingrid was responsible for, and instrumental in, producing content for the venue in the first 5 years after opening including Ben Hur Live, Star Wars Live (including the Star Wars Exhibition), Romeo and Juliet in partnership with The Royal Ballet, attracting Cameron Mackintosh to stage Les Miserables in Concert: The 25th Anniversary and co-producing the arena version of Jesus Christ Superstar with the Really Useful Group.

In addition to arena shows, Ingrid was also responsible for exporting Robert Redford’s Sundance Festival to London, as well as co-producing it. During her tenure as CEO of U-Live, Ingrid oversaw successful productions of White Christmas and Elf the Musical at the Dominion Theatre on the West End, and produced a tour of the Salzburg Festival’s production of Norma with Cecilia Bartoli.


Staffan Holm is currently the Chairman of Live Nation Sweden, where he has served for many years. Staffan started his career in the fashion industry working with the Björn Borg brand, but his career path into the world of entertainment started through Svensk Filmindustri, where Staffan held the position of Marketing Director as well as President of SF Bio. Within these positions, Staffan had the privilege of working with Astrid Lindgren on several films, and with Lasse Hallström - director of the Oscar nominated film 'My Life as A Dog'.

Staffan also held the post of CEO at the promoter and agent company, EMA Telstar, which is today owned and managed by Live Nation. In this role he oversaw concerts and tours with both international stars and Swedish artists.

In his current position as the acting Chairman of Live Nation Sweden, Staffan has had the opportunity to develop his private businesses. He was Chairman and major shareholder of Tunigo, which was later sold to Spotify. Staffan is a major shareholder and Chairman of the Eventum Group, who are partners of Mamma Mia! The Party. He was also a former co-owner of the biggest theatre in Stockholm, Cirkus, as well as being a co-founder of ABBA The Museum.


Petter is the founder and CEO of Håkanson United AB, a renowned brand and marketing agency in Sweden, and has 25 years of industry leading experience in the sports and entertainment industry. He is a specialist in strategy, business development, marketing and sponsorships.

Petter is also an active investor in the entertainment and digital industry, and was a major investor in and board member of Tunigo, which was later sold on to Spotify.

Petter is now a major shareholder and board member of the Eventum Group, who are partners of the “Mamma Mia! The Party” concept, and also a co-founder of ABBA the Museum. In addition, he is an active owner in other music and digital companies such as Telegram Studios, Hyper Island and Metal Casino.


Mattias Hansson was the founding CEO and co-owner of ABBA The Museum in Stockholm. He was also instrumental in setting up and expanding the Swedish education revolution company Hyper Island, which is still considered to the be number one company in new media education, with branches located all over the world.

Mattias served as editor on several well known Scandinavian publications, and also held a position as main editor of the Swedish National Radio Broadcasting channel P3 (a youth and music channel).

In the early 1990’s Mattias helped pioneer the internet and online market in Scandinavia by building and leading the largest on line portal to date, and started the equivalent to Wired magazine. Hosting and producing TV, radio and on line productions led him to set up, own and head the first Scandinavian on line content bureau in the late 1990’s.

Mattias has written several books on media, new media and the internet, and holds an international MBA from the Stockholm School of Economics.


Born in Los Angeles to Cuban parents, Miguel obtained his Bachelor of Music in Vocal Performance from the University of Southern California before moving to Geneva, Switzerland, where he pursued his studies at the Geneva Conservatory of Music.

After completing his music studies, Miguel specialized in arts management across a variety of genres. His professional experience spans from co-founding the Verbier Festival and its resident orchestra, to managing the accounts of a portfolio of classical music artists at UBS Switzerland, to serving as managing director of the Orchestre de la Suisse Romande. As Vice President of Artists & Events at Universal Music Arts & Entertainment/U-Live in London, the live event subsidiary of the global music corporation, Miguel managed a variety of investments in major West End musicals and international tours with some of the world’s leading opera singers.

Since 2016, he has been a partner and Chief Executive Officer of the Idili companies, dedicated to a focused, high-end array of projects in the live event arena. Miguel is associate producer of Mamma Mia! The Party, the hit immersive dinner theatre iteration of the theatrical music and film phenomenon, which is currently running in Stockholm and is launching its international expansion.


Following her studies in artistry and wigs at Rikseatern in Solna, Ingmarie was involved in a number of creative assignments including make up, costume and hair for fiction movies, commercials, theatres, ballets, opera, music tours and musicals.

After further studying in TV & Theatre Production in the 1980's, Ingmarie worked on a variety productions including TV studios, set designs for films, commercials and theatres where she was able to influence the creative direction of each project.

Ingmarie is currently serving as the Museum director/curator for ABBA The Museum in Stockholm, and has also recently served as co-curator on ABBA: Super Troupers, an immersive exhibition being held at The Southbank Centre in London.

Curated and produced a new permanent interactive museum about the famous author and screen writer Astrid Lindgren, which opened in the south of Sweden in June 2017.


Born and raised in Paris, France, Hélène studied Drama and History of Art at the Ecole du Louvre before specializing in Project Management.

Her varied roles have included: Manager of the Guest Communication Department for the opening of Euro Disney in Paris; founding member and External Relations Director of the Verbier Festival, Switzerland; Classical Music Concerts Producer in London and Monaco; Hospitality Director for the world premiere of the opera “Turandot” in the Forbidden City, Beijing.

In addition, Hélène has also been responsible for managing European opera bookings at IMG Artists and delivering opera tours for Universal Music Arts & Entertainment. Hélène recently studied Counselling and Psychotherapy for 5 years in London before joining the production team of Mamma Mia! The Party.


Suzi Arkley is an independent marketing and sponsorship consultant who works with businesses around the world, to help them achieve clear commercial results from their advertising, communications, digital and partnership strategies and investments.

Her current clients include:

AEG Europe - owners and operators of iconic venues The O2, The SSE Hydro Glasgow and The SSE Arena Wembley

Crosstree Real Estate Partners – Bertarelli backed property fund specialising in multi-use commercial, residential and retail developments throughout the UK

Entertainment Exhibitions International - producers of unforgettable touring exhibitions and permanent museums across music, fashion and politics

Mamma Mia! The Party - a new interactive dining and musical experience created by Björn Ulvaeus of ABBA fame

Suzi specialises in the music, entertainment, sports, leisure and retail industries, having gained inside knowledge of these sectors from serving in various Marketing and Partnership Director roles for organisations and venues like TaylorMade Adidas Golf, Surrey County Cricket Club, The Oval, The O2, The SSE Arena Wembley and Land Securities.

Suzi holds a BA (Hons) degree from the University of Cape Town, and currently lives in New York with her husband and young daughter.