diff --git a/.changeset/moody-papayas-train.md b/.changeset/moody-papayas-train.md
new file mode 100644
index 0000000..3f5fd3d
--- /dev/null
+++ b/.changeset/moody-papayas-train.md
@@ -0,0 +1,5 @@
+---
+"@everipedia/iq-utils": minor
+---
+
+Expand Tag and Category enums with new taxonomy values while preserving existing ones
diff --git a/src/schema/index.ts b/src/schema/index.ts
index 6107121..c0f4c8e 100644
--- a/src/schema/index.ts
+++ b/src/schema/index.ts
@@ -84,51 +84,106 @@ export const EventType = z.enum(["CREATED", "DEFAULT", "MULTIDATE"]);
 export type EventType = z.infer<typeof EventType>;
 
 export const Tag = z.enum([
+	// Other Tags
 	"AI",
 	"Artists",
-	"BinanceSmartChain",
 	"Blockchains",
-	"CEXes",
 	"Collections",
 	"Collectors",
-	"Conference",
-	"DEXes",
 	"Developers",
 	"Entertainment",
-	"Ethereum",
-	"Events",
 	"Forum",
 	"Founders",
-	"Festival",
 	"Games",
 	"Glossary",
-	"Government",
-	"Hackathon",
 	"Marketplaces",
 	"Memecoins",
-	"Organizations",
-	"Online",
 	"PeopleInDeFi",
-	"Polkadot",
-	"Polygon",
 	"Protocols",
 	"Regulations",
-	"Solana",
 	"Speakers",
 	"Stablecoins",
+	// People & Teams
+	"Founder",
+	"Developer",
+	"Investor",
+	"Researcher",
+	"Artist",
+	"Speaker",
+	"Influencer",
+	"Advisor",
+	// Projects & Protocols
+	"Layer1",
+	"Layer2",
+	"Layer3",
+	"DeFi",
+	"Infrastructure",
+	"Oracle",
+	"Bridge",
+	"Privacy",
+	"Gaming",
+	"AIPlatform",
+	"AIAgent",
+	"AIInfrastructure",
+	"Identity",
+	"RWA",
+	"Payments",
+	// Organizations
+	"Government",
 	"Venture",
+	"Organizations",
+	"DAO",
+	"ResearchLab",
+	"Launchpad",
+	"Media",
+	"DataPlatform",
+	// Cryptoassets
+	"Coin",
+	"Token",
+	"Stablecoin",
+	"Memecoin",
+	"NFT",
+	"GovernanceToken",
+	"UtilityToken",
+	"AIToken",
+	// Exchanges & Marketplaces
+	"CEXes",
+	"DEXes",
+	"CEX",
+	"DEX",
+	"NFTMarketplace",
+	"PredictionMarket",
+	"AIMarketplace",
+	// Events
+	"Conference",
+	"Events",
+	"Festival",
+	"Hackathon",
+	"Online",
+	"Workshop",
+	// Universal Ecosystem Tags
+	"BinanceSmartChain",
+	"Ethereum",
+	"Polkadot",
+	"Polygon",
+	"Solana",
+	"Bitcoin",
+	"BNBChain",
+	"Avalanche",
+	"Cosmos",
+	"Base",
+	"Arbitrum",
+	"Optimism",
 ]);
 export type Tag = z.infer<typeof Tag>;
 
 export const Category = z.enum([
-	"nfts",
-	"defi",
-	"exchanges",
-	"cryptocurrencies",
-	"daos",
-	"people",
-	"dapps",
+	"people_and_teams",
+	"projects_and_protocols",
 	"organizations",
+	"cryptoassets",
+	"exchanges_and_marketplaces",
+	"events",
 ]);
 export type Category = z.infer<typeof Category>;