Laconic.
Also...
Marcus graduated in Computer Science in 1990 and has worked with mainframes ever since: as a programmer, systems programmer, consultant, database administrator, production support hero, production support villain, management piñata, GSE UK Db2 User Group Chairman, IBM Champion, international conference speaker (IDUG, GSE, PDUG, SQLAdria), blogger, podcaster and now Lead Product Developer for BMC Software. He holds an MBCS, CITP, CEng, and more often than not, a glass of wine. He is a STEM Ambassador, and can sometimes be found in Welsh-speaking junior schools, leading Code Clubs and thrilling the next generation with the prospect of technology as a career.