ber ▁opt ic ▁cable ▁company ▁in ▁the ▁Philippines . ▁ ▁Ehr lich ▁sold ▁the ▁company ▁in ▁ 1 9 9 6 , ▁and ▁shortly ▁there after ▁was ▁rec ru ited ▁to ▁develop ▁and ▁launch ▁a ▁new ▁Hong ▁Kong ▁mobile ▁phone ▁service , ▁S UND A Y . ▁ ▁Descri bed ▁by ▁The ▁Econom ist ▁as ▁" one ▁of ▁Hong ▁Kong ' s ▁most ▁innov ative ▁cell ular ▁prov iders ," ▁the ▁company ▁went ▁public ▁in ▁ 2 0 0 0 , ▁and ▁was ▁listed ▁on ▁NAS DA Q ▁and ▁the ▁Hong ▁Kong ▁Stock ▁Exchange . ▁▁ ▁Ehr lich ▁retired ▁from ▁S UND A Y ▁in ▁ 2 0 0 3 , ▁and ▁returned ▁to ▁private ▁invest ment ▁and ▁entrepr ene ur ship . ▁ ▁F oc used ▁on ▁software , ▁media , ▁and ▁tele com , ▁he ▁inv ested ▁in ▁and / or ▁served ▁on ▁bo ards ▁ ▁for ▁companies ▁in ▁the ▁Philippines , ▁India , ▁Taiwan , ▁and ▁China . ▁ ▁In ▁ 2 0 0 5 , ▁he ▁founded ▁Nov are ▁Techn ologies , ▁an ▁on sh oring ▁and ▁out s our cing ▁software ▁development ▁company ▁based ▁in ▁Hong ▁Kong ▁and ▁the ▁Philippines . ▁ ▁From ▁ 2 0 0 2 , ▁when ▁there ▁were ▁less ▁than ▁ 1 , 0 0 0 , 0 0 0 ▁mobile ▁subscri bers , ▁through ▁ 2 0 0 8 , ▁when ▁there ▁more ▁than ▁ 4 ▁billion , ▁Ehr lich ▁served ▁as ▁the ▁Chair man ▁of ▁the ▁G SM ▁Association . ▁ ▁He