Andrew Blake is a Partner in Sidley’s Washington D.C. office in the Securities & Derivatives Enforcement and Regulatory group. Andrew focuses his practice on the regulation of financial markets and intermediaries, including clearing organizations, transfer agents, exchanges, trading platforms, broker-dealers, futures commission merchants and private funds. He has deep experience in particular with the options markets and frequently advises clients on regulatory and operational issues regarding the clearance and settlement of equity and debt instruments, evolving regulations for swaps and security-based swaps and participation in central counterparties, depositories and trading platforms. On a regular basis, he also counsels clients on clearing arrangements, customer protection regulations, trading issues and financial contracts.