Working Traveller | Jose Daniel Sierra Calderon | Activity https://www.workingtraveller.com/members/josedsierra/activity/ Activity feed for Jose Daniel Sierra Calderon. Wed, 20 May 2026 09:57:22 +0000 https://buddypress.org/?v=3.1.0 en-GB 30 hourly 2 81783178d558708db747e9d621d789f9 Jose Daniel Sierra Calderon joined the group Civil https://www.workingtraveller.com/activity/p/151466/ Thu, 21 Apr 2016 20:18:52 +0000 0 f08ba5585258d032d162c6c44c13f037 Jose Daniel Sierra Calderon joined the group Education https://www.workingtraveller.com/activity/p/151454/ Thu, 21 Apr 2016 20:17:58 +0000 0 a0253d521e1a57f0485f4b22ffefff3d Jose Daniel Sierra Calderon joined the group Engineering https://www.workingtraveller.com/activity/p/151450/ Thu, 21 Apr 2016 20:17:49 +0000 0 241921e2cd78eaba1140d423a0b0c3fc Jose Daniel Sierra Calderon changed their profile picture https://www.workingtraveller.com/activity/p/151444/ Thu, 21 Apr 2016 20:17:20 +0000 0