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Louie Jay Sienders, baseball photographer and videographer in Amsterdam

Photo & videoAmsterdamTeam KingdomHonkbal HoofdklasseFounder of Siendr

Latest

Ice hockey

A Dordrecht Lions player in a green Bauer helmet, the arena lights reflected in his visor
Dordrecht Lions

Lions at Dragons

Dordrecht Lions at Utrecht Dragons. Utrecht, 31 October 2026.

A Utrecht Dragons player in a red helmet cuts across the ice, two Dordrecht Lions players right behind him
Utrecht Dragons

“The Netherlands, for my money, has some of the best social media content of any team on the international baseball landscape. They've got a content creator, Louie Jay Sienders … He does incredible work for this team.”

FOX Sports 1, live broadcastWorld Baseball Classic · 2023Watch the clip

What I do

For teams, leagues, events and brands

  1. 01

    Game day

    One game or a full weekend. Pregame, in-game and postgame, the way your fans want to see it. Plus the on-field camera for your livestream.

  2. 02

    Tournaments

    Multi-day events at home and abroad. Two World Baseball Classics, five European Championships in baseball and softball, and the Premier12.

  3. 03

    A full content team

    Photographers, videographers and editors working to one plan. I led the KNBSB team at Euro Baseball 2025 and a team of eight at the Honkbalweek 2026.

  4. 04

    Media days and headshots

    Team photos, headshots and portraits for rosters, websites and broadcast graphics. Lit the same way for every player.

  5. 05

    Social and reels

    Vertical video cut for Instagram and TikTok. Walk-ups, celebrations and everything behind the scenes, ready to post.

  6. 06

    Music, events and brands

    Music videos, festivals, corporate events and brand films. More than twenty-five music videos, the Antilliaanse Feesten almost every summer, NL Expo in Osaka and both of Portahl's watches.

Reach

Per tournament, from KNBSB reports

  • 8.6M

    online reach in one week

    Euro Baseball 2025

    Led the KNBSB content team. Gold, and reposted by MLB.com.

  • +1050%

    growth on TikTok

    World Baseball Classic 2026

    Video in Miami. 6,000+ new followers.

  • 1.7M

    online reach

    Kingdom Series & Premier12 2024

    Video, all the way to the Premier12 in Mexico.

  • 945K

    online reach

    Samurai Japan Series 2025

    Video in Osaka. 1,000+ new followers.

Now

Where you'll find me

I shoot photo and video for Team Kingdom of the Netherlands, run Honkbal Hoofdklasse with Gijs van Zalingen, and built Siendr because the marketplace I was looking for didn't exist. Most of my favourite frames happen before anyone is watching, somewhere between the clubhouse and the dugout.

Team Kingdom player walking out of the tunnel into the ballpark
World Baseball Classic · Miami · March 2026

Team Kingdom

Photo and video for the Dutch national teams. I was there for the World Baseball Classic in 2023 and 2026, three European Championships, the Premier12 in 2024 and the Samurai Japan Series in Osaka. At Euro Baseball 2025 in Rotterdam I led the content team, and Team Kingdom took gold.

In between there's spring training in Florida, against the Orioles, the Rays and whoever else wants to play us.

Silhouette of a ballplayer looking up into the low evening sun, a light tower behind him

Honkbal Hoofdklasse

Gijs van Zalingen and I run Honkbal Hoofdklasse: live scores, standings and stats from the Dutch top league, and everything that happens around the games.

Most weekends I'm at one of the ballparks.

The Siendr home page: Find yourself in every game, with a search bar for your name, number or team
siendr.com

Siendr

I looked for a marketplace for sports clips for years. It didn't exist, so I built it.

On Siendr players find their own moment, buy the clip once and keep it forever.

Worked with

  • KNBSB
  • MLB
  • FOX Sports
  • ESPN
  • WBSC
  • WBSC Europe
  • De Telegraaf
  • Algemeen Dagblad
  • Honkbalweek Haarlem
  • Curaçao Neptunus
  • Rotterdam Topsport
  • Swiss Baseball & Softball
  • AZ Alkmaar
  • Baseball Culture
  • WIWI
  • Portahl
  • Antilliaanse Feesten
  • NL Expo Osaka
  • AFAS Circustheater
  • M Sports
  • Paradigma
  • JOU Jongerenwerk
  • Gemeente Wassenaar

Contact

Based in Amsterdam, available worldwide

Louie Jay Sienders
That's me. Usually at a ballpark. Photo: Line Drive Captures