diff --git a/power-sequencer/pgood_monitor.hpp b/power-sequencer/pgood_monitor.hpp
new file mode 100644
index 0000000..611cac6
--- /dev/null
+++ b/power-sequencer/pgood_monitor.hpp
@@ -0,0 +1,121 @@
+#pragma once
+
+#include <sdbusplus/bus.hpp>
+#include <sdbusplus/server.hpp>
+#include "event.hpp"
+#include "timer.hpp"
+
+namespace witherspoon
+{
+namespace power
+{
+
+/**
+ * @class PGOODMonitor
+ *
+ * Monitors PGOOD and creates an error if it doesn't come on in time.
+ *
+ * The run() function is designed to be called right after the
+ * power sequencer device is told to kick off a power on.
+ *
+ * Future commits will analyze the power sequencer chip for errors
+ * on a PGOOD fail.
+ */
+class PGOODMonitor
+{
+    public:
+
+        PGOODMonitor() = delete;
+        ~PGOODMonitor() = default;
+        PGOODMonitor(const PGOODMonitor&) = delete;
+        PGOODMonitor& operator=(const PGOODMonitor&) = delete;
+        PGOODMonitor(PGOODMonitor&&) = delete;
+        PGOODMonitor& operator=(PGOODMonitor&&) = delete;
+
+        /**
+         * Constructor
+         *
+         * @param[in] b - D-Bus bus object
+         * @param[in] e - event object
+         * @param[in] t - time to allow PGOOD to come up
+         */
+        PGOODMonitor(sdbusplus::bus::bus& b,
+                event::Event& e,
+                std::chrono::seconds& t) :
+            bus(b),
+            event(e),
+            interval(t),
+            timer(e, [this]() { this->analyze(); })
+            {
+            }
+
+        /**
+         * The timer callback.
+         *
+         * Creates a PGOOD failure error log.
+         */
+        void analyze();
+
+        /**
+         * Waits a specified amount of time for PGOOD to
+         * come on, and if it fails to come on in that time
+         * an error log will be created.
+         *
+         * @return - the return value from sd_event_loop()
+         */
+        int run();
+
+    private:
+
+        /**
+         * Enables the properties changed signal callback
+         * on the power object so we can tell when PGOOD
+         * comes on.
+         */
+        void startListening();
+
+        /**
+         * The callback function for the properties changed
+         * signal.
+         */
+        void propertyChanged();
+
+        /**
+         * Returns true if the system has been turned on
+         * but PGOOD isn't up yet.
+         */
+        bool pgoodPending();
+
+        /**
+         * Used to break out of the event loop in run()
+         */
+        void exitEventLoop();
+
+        /**
+         * The D-Bus object
+         */
+        sdbusplus::bus::bus& bus;
+
+        /**
+         * The match object for the properties changed signal
+         */
+        std::unique_ptr<sdbusplus::bus::match_t> match;
+
+        /**
+         * The sd_event structure used by the timer
+         */
+        event::Event& event;
+
+        /**
+         * The amount of time to wait for PGOOD to turn on
+         */
+        std::chrono::seconds interval;
+
+        /**
+         * The timer used to do the callback
+         */
+        Timer timer;
+};
+
+}
+}