Simon (died 1512) was the Metropolitan of Moscow between 1495 and 1511.

Simon was a hegumen

Hegumen

Hegumen, hegumenos, igumen, or ihumen is the title for the head of a monastery of the Eastern Orthodox Church or Eastern Catholic Churches, similar to the one of abbot. The head of a convent of nuns is called hegumenia or ihumenia . The term means "the one who is in charge", "the leader" in...

 at the Troitse-Sergiyeva Lavra

Troitse-Sergiyeva Lavra

The Trinity Lavra of St. Sergius is the most important Russian monastery and the spiritual centre of the Russian Orthodox Church. The monastery is situated in the town of Sergiyev Posad, about 70 km to the north-east from Moscow by the road leading to Yaroslavl, and currently is home to...

. In 1495, he was elected Metropolitan of Moscow after the removal of Zosimus on charges of heresy. Simon soon won the respect of Ivan III

Ivan III of Russia

Ivan III Vasilyevich , also known as Ivan the Great, was a Grand Prince of Moscow and "Grand Prince of all Rus"...

. In 1501, Simon wrote a letter to the clergy

Clergy

Clergy is the generic term used to describe the formal religious leadership within a given religion. A clergyman, churchman or cleric is a member of the clergy, especially one who is a priest, preacher, pastor, or other religious professional....

 of Perm

Perm

Perm is a city and the administrative center of Perm Krai, Russia, located on the banks of the Kama River, in the European part of Russia near the Ural Mountains. From 1940 to 1957 it was named Molotov ....

, asking them to admonish their flock, knyaz

Knyaz

Kniaz, knyaz or knez is a Slavic title found in most Slavic languages, denoting a royal nobility rank. It is usually translated into English as either Prince or less commonly as Duke....

, and ruling elite to eradicate idolatry

Idolatry

Idolatry is a pejorative term for the worship of an idol, a physical object such as a cult image, as a god, or practices believed to verge on worship, such as giving undue honour and regard to created forms other than God. In all the Abrahamic religions idolatry is strongly forbidden, although...

 and pagan

Paganism

Paganism is a blanket term, typically used to refer to non-Abrahamic, indigenous polytheistic religious traditions....

 beliefs among ordinary people. Simon was the responsible for the convocation of the sobor

Sobor

A sobor is a council of bishops together with other clerical and lay delegates representing the church as a whole in matters of importance...

s in 1503 and 1504. The Sobor (Council) of 1503 condemned the charging of fees for the ordination of priests as simony, though the practice had been approved by the Moscow Council of 1270 and had been practiced in the Byzantine church for years before that. As a result of the condemnation, Archbishop Gennady of Novgorod

Gennady (Archbishop of Novgorod)

Gennady was Archbishop of Novgorod the Great and Pskov from 1484 to 1504. He was most instrumental in fighting the Heresy of the Judaizers and is famous for compiling the first complete codex of the Bible in Slavic in 1499, known as the Gennady Bible. Gennady is a saint of the Russian Orthodox...

 was condemned the following year for simony and removed from office. Despite this, the Sobor of 1504 condemned the Novgorod-Moscow

Moscow

Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

 heresy

Heresy

Heresy is a controversial or novel change to a system of beliefs, especially a religion, that conflicts with established dogma. It is distinct from apostasy, which is the formal denunciation of one's religion, principles or cause, and blasphemy, which is irreverence toward religion...

 of the Sect of Skhariya the Jew

Sect of Skhariya the Jew

The Sect of Skhariya the Jew, much more commonly known as the Heresy of the Judaizers or Zhidovstvuyushchiye, was a sect that appeared in Novgorod the Great and Grand Duchy of Moscow in the second half of the 15th century and marked the beginning of a new era of heresy in Russia...

, which repudiated some of the dogma

Dogma

Dogma is the established belief or doctrine held by a religion, or a particular group or organization. It is authoritative and not to be disputed, doubted, or diverged from, by the practitioners or believers...

s and rite

Rite

A rite is an established, ceremonious, usually religious act. Rites in this sense fall into three major categories:* rites of passage, generally changing an individual's social status, such as marriage, baptism, or graduation....

s of the Eastern Orthodoxy, thus confirming Gennady's major activity during his archiepiscopate. As a result of this sobor, many sectarians were either executed or imprisoned. The same sobor also dealt with the issue of debauchery among the widowed clergymen and deacon

Deacon

Deacon is a ministry in the Christian Church that is generally associated with service of some kind, but which varies among theological and denominational traditions...

s.

Simon is also known for having consecrated a number of monasteries, including the Novospassky Monastery

Novospassky Monastery

Novospassky Monastery is one of the fortified monasteries surrounding Moscow from south-east.It was the first monastery to be founded in Moscow in the early 14th century. The Saviour Church was its original katholikon...

, St.George Monastery, and Yauza Monastery.