• “Studying Venus' atmosphere and ionosphere with Planetary Radio Interferometry and Doppler Experiment (PRIDE)” European Planetary Science Congress 2014, Cascais, Portugal
• “Planetary Radio Interferometry and Doppler Experiment (PRIDE) for studying the thermosphere of Venus” European Planetary Science Congress 2013, London

• “Timing for VLBI”, White Rabbit Meeting, Januari 20th 2014, Nikhef, Amsterdam
• “Using VLBI to demonstrate long-haul fiber-optic frequency transfer”, 3rd IVTWS, November 12th 2014, Groningen
• “UTC Distribution”, SKA SADT F2F, October 5th, Fremantle, Australia

• “Near-field VLBI and its applications to Space Science Missions.” European Planetary Science Congress 2014, Cascais, Portugal
• “Planetary Radio Interferometry and Doppler Experiment for current and future Venusian missions” Interplanetary Venus Workshop (IVW) 2013, Catania, Italy
• “Space Science Applications of Near-field VLBI” European Planetary Science Congress 2013, London
• “VLBI in the Solar System” Bonn-Dwingeloo meeting. December 2013, Bonn
• “Planetary Radio Interferometry and Doppler Experiment for Near-Earth Asteroids ESA mission MarcoPolo-R” MarcoPolo-R workshop, June 2013, ESTEC Noordwijk, The Netherlands

• “RadioAstron as a target and as an instrument: data processing and first results” 68th Dutch Astronomy Conference (NAC) 2013

• “Jets in AGN at extremely high redshifts” IAU symposium 313, 2014
• “Radio Interferometry and Doppler Experiment (PRIDE) for the JUICE mission” European Planetary Science Congress 2013, London
• “Wide-field observations in the SDSS Stripe 82 with the European VLBI Network” IAU Symposium 304
• “Exoplanet magnetic field: possible marker of habitability” EGU General Assembly 2013 Vienna, Austria
• “Recent activities of the FP7 ESPaCE consortium” 2013
• “Jupiter Icy Moons Explorer (JUICE): Science Objectives, Mission and Instruments” 45th Lunar and Planetary Science Conference, 2014
• “JUICE: complementarity of the payload in addressing the mission science objectives” 2014, Geophysical Research Abstracts, Vol. 16
• “JUICE: The ESA Mission to Study Habitability of the Jovian Icy Moons” Workshop on the Habitability of Icy Worlds, 2014, Pasadena
• “JUICE: an ESA-­led large mission to the Jupiter system” 2014
• International Space Science Institute (Beijing) Space Very Long Baseline Interferometry Forum (16­18 Sept 2013), 2014
• International Space Science Institute (Switzerland), in press
• “JUICE: a European mission to the Jovian system” 40th COSPAR Scientific Assembly 2014 Moscow
• “Vertical structure of Venus polar thermosphere from in­situ data of the Venus Express Atmospheric Drag Experiment (VExADE)” 40th COSPAR Scientific Assembly 2014, Moscow, Russia
• “Half a century of SETI in the USSR and Russia” 40th COSPAR Scientific Assembly 2014, Moscow, Russia
• “Zooming into the high­redshift Universe” 40th COSPAR Scientific Assembly 2014, Moscow, Russia
• “Moon exploration: lunar radio observatory” 40th COSPAR Scientific Assembly 2014, Moscow, Russia

• “The JIVE UniBoard Correlator (JUC) Firmware”, 3rd IVTWS, November 10th 2014, Groningen

• “ Phasing up the EVN using the SFXC software correlator”, 3rd IVTWS, November 10th 2014, Groningen

• Scintillation of Venus and Mars Express radio signal on interplanetary and ionosphere plasma“ EVN symposium 2014. Cagliari, Italy. October 2014
• “Analysis of the interplanetary scintillation tracking Venus Express Spacecraft” European Week of Astronomy and Space Sciences 2013 (EWASS), Turku, Finland, 2013
• “VLBI and Doppler tracking of Venus Express spacecraft” 8th Dutch Astronomy Conference (NAC) 2013
• “Spacecraft observations and IPS with VLBI radio telescopes” Interplanetary plasma scintillation workshop, Nagoya, Japan 2013
• “Observations and analysis of the phase scintillation of spacecraft signals on the interplanetary plasma” CAWSES-II symposium, Nagoya, Japan 2013
• “Interplanetary scintillations retrieved from Venus Express communications signal” Interplanetary Venus Workshop (IVW) 2013, Catania, Italy, 2013

• “UniBoard and UniBoard^2”, Digital platform study group meeting, 6 - 8 March 2013, Vancouver, Canada
• “UniBoard^2”, RadioNet3 board meeting, March 2013, Bologna, Italy
• “Technical operations and R&D at JIVE”, EVN TOG, April 2013, Bonn, Germany
• “JIVE and the EVN”, visit by Altera representatives, 3 May 2013, Dwingeloo, the Netherlands
• “UniBoard^2”, UniBoard^2 kickoff meeting, 27 - 28 May 2013, Dwingeloo, the Netherlands
• “e-VLBI and future developments”, Arnold van Ardenne's retirement seminar, 29 May 2013, Dwingeloo, the Netherlands
• “JIVE and the EVN”, visit to Avnet Silica, June 2013, Breda, the Netherlands
• “WP5 Cloud Correlation”, NEXPReS period 3 review, 19 September 2013, Dwingeloo, the Netherlands
• “The hunt for 4Gbps fringes”, NEXPReS period 3 review, 19 September 2013, Dwingeloo, the Netherlands
• “EXPReS, NEXPReS. What next?”, 2nd Internations VLBI Technology Workshop, 10 - 12 October 2013, Seogwipo, South Korea
• “EXPReS, NEXPReS. What next?”, Work visit Shanghai Astronomical Observatory, 15 October 2013, Shanghai, China
• “UniBoard and UniBoard^2”, Work visit Shanghai Astronomical Observatory, 15 October 2013, Shanghai, China
• “The development of global real-time e-VLBI”, Radiovetenskap och Kommunikation 2013, 11 - 12 November 2013, Stockholm, Sweden
• “Technical operations and R&D at JIVE”, EVN TOG, January 2014, Wettzell, Germany
• “RadioNet3 WP8: UniBoard^2”, RadioNet3 board meeting, 20 March 2014, Garching, Germany
• “Use of the GEANT network in radio astronomy”, GEANT IUAC meeting, 29 - 30 April 2014, Frascati, Italy
• “Towards a disk-shipping-less future?” EVN CBD, 13 May 2014, Onsala, Sweden
• “Data transport in radio astronomy”, ELIXIR BioMedBridges workshop, 16 May 2014, Hinxton, United Kingdom
• “The UniBoard”, visit by Altera representatives, 20 May 2014, Dwingeloo, the Netherlands
• “The correlators at JIVE”, XXXI URSI General Assembly 2014, 18 - 23 August 2014, Beijing, China
• “UniBoard and UniBoard^2, and beyond?”, High Performance Computing Workshop, October 2014, Valletta, Malta
• “Technical operations and R&D at JIVE”, EVN TOG, October 2014, Cagliari, Italy
• “RadioNet3 WP8: UniBoard^2”, RadioNet3 executive meeting, 23 October 2014, Brussels, Belgium
• “Towards a disk-shipping-less future?” EVN CBD, 5 November 2014, Bologna, Italy

• “jive5ab”, EVN TOG, April 10th 2013, Bonn, Germany
• “SDK9”, EVN TOG, April 10th 2013, Bonn, Germany
• “a-VLBI with jive5ab”, 2nd IVTW, October 10th-12th 2013, Seogwipo, S. Korea
• “jive5ab update”, EVN TOG, January 23rd 2014, Wettzell, Germany
• “jive5ab: take control of your data and recorder”, 8th IVS General Meeting, March 2nd-7th, Shanghai, China
• “jive5ab update”, EVN TOG, October 6th 2014, Cagliari, Italy
• “Herding FPGAs or: distributed monitor and control”, 3rd IVTW, November 10th-13th, Groningen, Netherlands

• “SFXC: The new (e-)VLBI correlator at JIVE”, 2nd IVTW, 10-12 October 2013, Seogwipo, S. Korea
• “VEX2”, 3rd IVTW, 10-13 November 2014, Groningen, Netherlands

GEANT International Users Advisory Committee RadioNet FP7 Executive RadioNet3 Executive NEXPReS Executive

Nederlandse Natuurkundige Vereniging 

• EVN Symposium, 7-11 October 2014, Cagliari, Italy

• White Rabbit Meeting, Januari 20th 2014, Nikhef, Amsterdam, The Netherlands
• Gluster Community Event, March 4 2014, Amsterdam, The Netherlands
• TNC2014 - Terena Networking Conference, 19-22 May 2014, Dublin, Ireland
• SKA Engineering Conference, 29 September - 2 October 2014, Fremantle, Australia
• 3rd IVTWS, 10-13 November 2014, Groningen, The Netherlands

• Altera A10 Transceivers and JNEye, 20th May 2014, Antwerp, Belgium
• 3rd IVTWS, 10-12 November 2014, Groningen, The Netherlands

• EVN TOG, 23th January 2014, Wettzell, Germany
• 8th Annual DiFX Users and Developers Meeting, 3-7 November 2014, Bologna, Italy
• 3rd IVTW, 10-13 November 2014, Groningen, The Netherlands

• EVN TOG, April 10th 2013, Bonn, Germany
• 2nd IVTW, October 10th-12th 2013, Seogwipo, S. Korea
• EVN TOG, January 23rd 2014, Wettzell, Germany
• 8th IVS General Meeting, March 2nd-7th, Shanghai, China
• EVN TOG, October 6th 2014, Cagliari, Italy
• 3rd IVTW, November 10th-13th, Groningen, Netherlands

• HILADO Face-to-Face meeting, 11-12 April 2013, University of Oxford, UK
• 2nd IVTW, 10-12 October 2013, Seogwipo, S. Korea
• 7th Annual DiFX Users and Developers Meeting, 14-18 October 2013, Tamna, S. Korea
• EVN TOG, 6 October 2014, Cagliari, Italy
• 8th Annual DiFX Users and Developers Meeting, 3-7 November 2014, Bologna, Italy
• 3rd IVTW, 10-13 November 2014, Groningen, Netherlands

• SKA SADT Face-to-Face meeting, 3-6 June 2014, SKAO, Jodrell Bank Observatory, UK
• MRO Site Visit, October 3rd 2014, Murchinson Radio Observatory, Australia
• SKA SADT Face-to-Face meeting, 4-7 October, Perth, Australia

• HILADO working visit, 1-4 December 2014, Univeristy of Cambridge, UK