diff --git a/Backend/Data/TeamAccountBootstrapper.cs b/Backend/Data/TeamAccountBootstrapper.cs
new file mode 100644
index 0000000..1ecdc4f
--- /dev/null
+++ b/Backend/Data/TeamAccountBootstrapper.cs
@@ -0,0 +1,152 @@
+using Backend.Domain;
+using Backend.Security;
+using Microsoft.EntityFrameworkCore;
+
+namespace Backend.Data;
+
+public static class TeamAccountBootstrapper
+{
+    private const string SeedActor = "system:team-seed";
+
+    public static async Task EnsureAsync(AwardsDbContext db, IConfiguration configuration)
+    {
+        var ownerSeed = BuildSeed(
+            configuration,
+            sectionName: "Owner",
+            environmentPrefix: "VTSA_TEAM_OWNER",
+            defaultLogin: "jayuhime",
+            defaultDisplayName: "Jayuhime",
+            role: AdminRoles.Owner,
+            fallbackPassword: configuration["VTSA_DEMO_ADMIN_PASSWORD"] ?? configuration["DemoAdmin:Password"]);
+
+        var creatorSeed = BuildSeed(
+            configuration,
+            sectionName: "Creator",
+            environmentPrefix: "VTSA_TEAM_CREATOR",
+            defaultLogin: "sleepy_bao",
+            defaultDisplayName: "sleepy_bao",
+            role: AdminRoles.Creator,
+            fallbackPassword: null);
+
+        foreach (var seed in new[] { ownerSeed, creatorSeed })
+        {
+            await EnsureMemberAsync(db, seed);
+        }
+
+        await db.SaveChangesAsync();
+    }
+
+    private static async Task EnsureMemberAsync(AwardsDbContext db, TeamAccountSeed seed)
+    {
+        if (seed.Credentials is null)
+        {
+            return;
+        }
+
+        var member = await db.TeamMembers.FirstOrDefaultAsync(item => item.Login == seed.Login);
+        if (member is null)
+        {
+            db.TeamMembers.Add(new TeamMember
+            {
+                Login = seed.Login,
+                DisplayName = seed.DisplayName,
+                Role = seed.Role,
+                PasswordHash = seed.Credentials.Value.Hash,
+                PasswordSalt = seed.Credentials.Value.Salt,
+                MustChangePassword = false,
+                IsActive = true,
+                CreatedByTwitchId = SeedActor,
+                CreatedAt = DateTimeOffset.UtcNow,
+            });
+            return;
+        }
+
+        var changed = false;
+        if (!string.Equals(member.DisplayName, seed.DisplayName, StringComparison.Ordinal))
+        {
+            member.DisplayName = seed.DisplayName;
+            changed = true;
+        }
+
+        if (!string.Equals(member.Role, seed.Role, StringComparison.Ordinal))
+        {
+            member.Role = seed.Role;
+            changed = true;
+        }
+
+        if (!member.IsActive)
+        {
+            member.IsActive = true;
+            changed = true;
+        }
+
+        if (changed)
+        {
+            member.UpdatedAt = DateTimeOffset.UtcNow;
+            member.UpdatedByTwitchId = SeedActor;
+        }
+    }
+
+    private static TeamAccountSeed BuildSeed(
+        IConfiguration configuration,
+        string sectionName,
+        string environmentPrefix,
+        string defaultLogin,
+        string defaultDisplayName,
+        string role,
+        string? fallbackPassword)
+    {
+        var login = ReadSetting(configuration, sectionName, environmentPrefix, "Login") ?? defaultLogin;
+        var displayName = ReadSetting(configuration, sectionName, environmentPrefix, "DisplayName") ?? defaultDisplayName;
+
+        return new TeamAccountSeed(
+            NormalizeLogin(login),
+            displayName.Trim(),
+            role,
+            ResolveCredentials(configuration, sectionName, environmentPrefix, fallbackPassword));
+    }
+
+    private static TeamSeedCredentials? ResolveCredentials(
+        IConfiguration configuration,
+        string sectionName,
+        string environmentPrefix,
+        string? fallbackPassword)
+    {
+        var configuredHash = ReadSetting(configuration, sectionName, environmentPrefix, "PasswordHash");
+        var configuredSalt = ReadSetting(configuration, sectionName, environmentPrefix, "PasswordSalt");
+        if (!string.IsNullOrWhiteSpace(configuredHash) && !string.IsNullOrWhiteSpace(configuredSalt))
+        {
+            return new TeamSeedCredentials(configuredHash.Trim(), configuredSalt.Trim());
+        }
+
+        var password = ReadSetting(configuration, sectionName, environmentPrefix, "Password") ?? fallbackPassword;
+        if (string.IsNullOrWhiteSpace(password))
+        {
+            return null;
+        }
+
+        var credentials = DemoCredentialHasher.HashPassword(password);
+        return new TeamSeedCredentials(credentials.Hash, credentials.Salt);
+    }
+
+    private static string? ReadSetting(IConfiguration configuration, string sectionName, string environmentPrefix, string key)
+    {
+        var raw = configuration[$"{environmentPrefix}_{ToEnvironmentKey(key)}"]
+            ?? configuration[$"TeamSeed:{sectionName}:{key}"];
+
+        return string.IsNullOrWhiteSpace(raw) ? null : raw;
+    }
+
+    private static string ToEnvironmentKey(string key)
+    {
+        return string.Concat(key.Select((character, index) =>
+            index > 0 && char.IsUpper(character) ? $"_{character}" : character.ToString())).ToUpperInvariant();
+    }
+
+    private static string NormalizeLogin(string value) =>
+        value.Trim().TrimStart('@').ToLowerInvariant();
+
+    private sealed record TeamAccountSeed(string Login, string DisplayName, string Role, TeamSeedCredentials? Credentials);
+
+    private readonly record struct TeamSeedCredentials(string Hash, string Salt);
+}
diff --git a/Backend/Extensions/WebApplicationExtensions.cs b/Backend/Extensions/WebApplicationExtensions.cs
index 55c2605..acccb45 100644
--- a/Backend/Extensions/WebApplicationExtensions.cs
+++ b/Backend/Extensions/WebApplicationExtensions.cs
@@ -49,6 +49,7 @@ public static class WebApplicationExtensions
 
             await SessionBootstrapper.EnsureAsync(db);
             await OperationalTablesBootstrapper.EnsureAsync(db);
+            await TeamAccountBootstrapper.EnsureAsync(db, app.Configuration);
             if (ShouldSeedPresentationData(app))
             {
                 await SeedDataBootstrapper.EnsureAsync(db);