Optical Clock Comparisons & Timescales  Chair: Tetsuya Ido - NICT;

New Methods & Standards for TF Transfer  Chair: Sinda Mejri - ESA;

Atom Trapping  Chair: Fernando Ramirez Martinez - Instituto de Ciencies Nucleares;

Power Handling & Temperature Stability in Microresonators  Chair: Giovanni Esteves - Sandia National Laboratories;

Optical Ion Clocks  Chair: Pierre Dubé - NRC;

Alternate PNT & Timescales  Chair: Carsten Rieck - RISE Research Institutes of Sweden;

Portable Atomic Clock Components  Chair: Christian Schori - Safran Group;

Field Applications of Optical References & Tools  Chair: Judith Olson - HRL Laboratories;

Devices for TF transfer  Chair: Emily Caldwell - NIST;

Space-based PNT  Chair: Per Olof Hedekvist - RISE Research Institutes of Sweden;

Laser Stabilization Techniques  Chair: William McGrew - IMRA;

Microwave Photonics Techniques  Chair: Michele Giunta - Menlo Systems;

Clock Components for Going Beyond the Maser  Chair: Archita Hati - NIST;

Redefinition of the Second  Chair: Jerome Delporte - CNES;

Resonators Based on Emerging Materials  Chair: Philip Feng - University of Florida;

Chip-Scale Atomic Clocks  Chair: Daniele Monahan - The Aerospace Corporation;

RF Oscillators & Resonators  Chair: Claudio Calosso - INRIM;

Optical Fibre Time Transfer  Chair: Claude Marceau - NRC;

Optical Lattice Clocks  Chair: Jonas Keller - PTB;

High Precision Microwave Devices  Chair: Fernando Ramirez Martinez - Instituto de Ciencies Nucleares;

Free Space Optical TF Transfer  Chair: Sven-Christian Ebenhag - Netnod IX;

Thorium & Novel Optical Clock Species  Chair: Nils Huntemann - PTB;

Microwave Time Transfer  Chair: Jörg Hahn - ESA;

Piezoelectric Materials for Micro-devices  Chair: Rodolphe Boudot - FEMTO-ST;

Design & Optimization of Microresonators  Chair: Alexandre Reinhardt - CEA-Leti;

Timescales & UTC  Chair: Per Olof Hedekvist - RISE Research Institutes of Sweden;

Optical Vapor & Beam Clocks  Chair: Flavio Cruz - UNICAMP;

Optical Fibre Frequency Transfer  Chair: Jochen Kronjäger - PTB;

Microwave & Optical Clocks Beyond the Maser  Chair: Ekkehard Peik - PTB;

Micro- Sensors & Actuators  Chair: Ausrine Bartasyte - FEMTO-ST;

Cold Atom Clocks for Space Applications  Chair: Michael Tobar - University of Western Australia;

News on UTC(k)  Chair: Bin Jian - NRC;

Transportable Optical References  Chair: Judith Olson - HRL Laboratories;

Optical Combs & Frequency Synthesis  Chair: Frank Quinlan - NIST;

Rb Two Photon Clocks  Chair: James Camparo - Aerospace Corporation;

Joint Session of Group 1 & 2  Chair: Claudio Calosso - INRIM;

Gravimetry  Chair: TBA

Oscillators, Synthesizers, Noise & Circuit Techniques 1   Chair: TBA

Timekeeping, T & F Transfer, Telecom, GNSS Applications 1   Chair: TBA

Optical Frequency Standards & Applications 1  Chair: TBA

Microwave Frequency Standards & Applications 1  Chair: TBA

MEMS  Chair: TBA

Special Sessions  Chair: TBA

Micro- Sensors & Transducers  Chair: TBA

Oscillators, Synthesizers, Noise & Circuit Techniques 2  Chair: TBA

Timekeeping, T & F Transfer, Telecom, GNSS Applications 2  Chair: TBA

Optical Frequency Standards & Applications 2  Chair: TBA

Microwave Frequency Standards & Applications 2  Chair: TBA

Materials  Chair: TBA