Big Santa mosaic from photos of homeless sellers. Big Issue UK holiday cover. Helps homeless people earn income.

Nicholas Carr mosaic portrait. Dartmouth College Alumni magazine. "The Reluctant Luddite."

Falcao mosaic portrait. CROMOS magazine, Colombia special issue. El Tigre Colombiano.

Alisher Usmanov mosaic portrait. Evening Standard's DELUXE magazine. Russian oligarch richest man in Britain.

Karim and Maurice Neme mosaic. Electric Festival Aruba cover. Xclusivo Aruba magazine.

Cyber terrorism mosaic for Leader's Edge cover. Council of Insurance Agents & Brokers. Internet war.

Sentiment analysis mosaic cover. Communications of the ACM. Association for Computing Machinery.

Beppe Grillo mosaic from electoral campaign photos. Panorama magazine cover. 5 Stars Movement leader.

Vivienne Westwood collage portrait. Harper's Bazaar. "The Only Punk Left."

Financial advisor mosaic from iPhone financial app icons. REP. WealthManagement.com magazine.

Osama Bin Laden's mosaic portrait. Shortlist magazine UK.

Adobe Creative Cloud mosaic from Master Collection icons. Fortune magazine article on Adobe's strategy.

COPS TV series mosaic illustration. Wall Street Journal article on the long-running show.

Thomas Jefferson's twin portraits from the archives. Smithsonian special issue on the president's secrets.

African girl mosaic from luxury brand logos. Arise magazine. New wave of consumerism in Africa.

Wired nervous system girl illustration. Harrison & Star healthcare marketing for neurologists. NYC agency.

Obama and Romney portraits from key people's photos. HUFFINGTON magazine. Democratic and Republican conventions.

Warren Buffett mosaic from dollar bill fragments. Transaero Airlines inflight magazine.

Alexis Tsipras's mosaic from stars and flag-waving people. MONO magazine Greece. Syriza leader.

Michelle Obama mosaic from vegetables, fruits, bees, and stars. Hemispheres magazine (United Airlines).