On-chain identity for polkadot ambassadors

The Polkadot Ambassador Programme is an initiative ran by Web3 Foundation to support potential contributors to the Polkadot community and ecosystem Polkadot Ambassador Programme · Polkadot Wiki

Can we have an on-chain identity for polkadot ambassadors? I wonder how difficult it must be to implement such change?

Why on chain identity? Currently there is no way to identify a Polkadot Ambassador outside of discord (we have ambassador tags in discord to distinguish)